Home / 1,525.11-2,101.76-1,082.25

Finding the Fourth Proportional to 1,525.11, 2,101.76 and 1,082.25

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Solution

The fourth proportional to 1,525.11, 2,101.76 and 1,082.25 is: 1,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.11 : 2,101.76 = 1,082.25 : x
  2. Step 2: Convert to fraction form
    1,525.11/2,101.76 = 1,082.25/x
  3. Step 3: Cross multiply
    1,525.11x = 2,101.76 × 1,082.25
  4. Step 4: Simplify right side
    1,525.11x = 2,274,624.35
  5. Step 5: Solve for x
    x = 2,274,624.35/1,525.11
  6. Step 6: Final answer
    x = 1,491.45

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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.