Home / 1,732.04-2,600.12-1,177.20

Finding the Fourth Proportional to 1,732.04, 2,600.12 and 1,177.20

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Solution

The fourth proportional to 1,732.04, 2,600.12 and 1,177.20 is: 1,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.04 : 2,600.12 = 1,177.20 : x
  2. Step 2: Convert to fraction form
    1,732.04/2,600.12 = 1,177.20/x
  3. Step 3: Cross multiply
    1,732.04x = 2,600.12 × 1,177.20
  4. Step 4: Simplify right side
    1,732.04x = 3,060,861.26
  5. Step 5: Solve for x
    x = 3,060,861.26/1,732.04
  6. Step 6: Final answer
    x = 1,767.20

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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.