Home / 3,515.13-5,275.29-1,666.24

Finding the Fourth Proportional to 3,515.13, 5,275.29 and 1,666.24

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Solution

The fourth proportional to 3,515.13, 5,275.29 and 1,666.24 is: 2,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.13 : 5,275.29 = 1,666.24 : x
  2. Step 2: Convert to fraction form
    3,515.13/5,275.29 = 1,666.24/x
  3. Step 3: Cross multiply
    3,515.13x = 5,275.29 × 1,666.24
  4. Step 4: Simplify right side
    3,515.13x = 8,789,899.21
  5. Step 5: Solve for x
    x = 8,789,899.21/3,515.13
  6. Step 6: Final answer
    x = 2,500.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.