Home / 1,756.11-2,423.12-1,134.75

Finding the Fourth Proportional to 1,756.11, 2,423.12 and 1,134.75

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Solution

The fourth proportional to 1,756.11, 2,423.12 and 1,134.75 is: 1,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.11 : 2,423.12 = 1,134.75 : x
  2. Step 2: Convert to fraction form
    1,756.11/2,423.12 = 1,134.75/x
  3. Step 3: Cross multiply
    1,756.11x = 2,423.12 × 1,134.75
  4. Step 4: Simplify right side
    1,756.11x = 2,749,629.75
  5. Step 5: Solve for x
    x = 2,749,629.75/1,756.11
  6. Step 6: Final answer
    x = 1,565.75

Related Problems

Find fourth proportional to 878.06, 1,211.56 and 567.38
Half scale
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Double scale
Find fourth proportional to 1,757.11, 2,424.49 and 1,135.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.