Home / 1,760.90-2,434.68-1,542.20

Finding the Fourth Proportional to 1,760.90, 2,434.68 and 1,542.20

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Solution

The fourth proportional to 1,760.90, 2,434.68 and 1,542.20 is: 2,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.90 : 2,434.68 = 1,542.20 : x
  2. Step 2: Convert to fraction form
    1,760.90/2,434.68 = 1,542.20/x
  3. Step 3: Cross multiply
    1,760.90x = 2,434.68 × 1,542.20
  4. Step 4: Simplify right side
    1,760.90x = 3,754,763.50
  5. Step 5: Solve for x
    x = 3,754,763.50/1,760.90
  6. Step 6: Final answer
    x = 2,132.30

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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.