Home / 1,756.04-2,422.32-1,135.04

Finding the Fourth Proportional to 1,756.04, 2,422.32 and 1,135.04

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Solution

The fourth proportional to 1,756.04, 2,422.32 and 1,135.04 is: 1,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.04 : 2,422.32 = 1,135.04 : x
  2. Step 2: Convert to fraction form
    1,756.04/2,422.32 = 1,135.04/x
  3. Step 3: Cross multiply
    1,756.04x = 2,422.32 × 1,135.04
  4. Step 4: Simplify right side
    1,756.04x = 2,749,430.09
  5. Step 5: Solve for x
    x = 2,749,430.09/1,756.04
  6. Step 6: Final answer
    x = 1,565.70

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Half scale
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Double scale
Find fourth proportional to 1,757.04, 2,423.70 and 1,136.04
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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.