Home / 1,713.10-2,565.60-1,162.30

Finding the Fourth Proportional to 1,713.10, 2,565.60 and 1,162.30

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Solution

The fourth proportional to 1,713.10, 2,565.60 and 1,162.30 is: 1,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.10 : 2,565.60 = 1,162.30 : x
  2. Step 2: Convert to fraction form
    1,713.10/2,565.60 = 1,162.30/x
  3. Step 3: Cross multiply
    1,713.10x = 2,565.60 × 1,162.30
  4. Step 4: Simplify right side
    1,713.10x = 2,981,996.88
  5. Step 5: Solve for x
    x = 2,981,996.88/1,713.10
  6. Step 6: Final answer
    x = 1,740.70

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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.