Home / 1,547.06-2,321.15-725.60

Finding the Fourth Proportional to 1,547.06, 2,321.15 and 725.60

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Solution

The fourth proportional to 1,547.06, 2,321.15 and 725.60 is: 1,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.06 : 2,321.15 = 725.60 : x
  2. Step 2: Convert to fraction form
    1,547.06/2,321.15 = 725.60/x
  3. Step 3: Cross multiply
    1,547.06x = 2,321.15 × 725.60
  4. Step 4: Simplify right side
    1,547.06x = 1,684,226.44
  5. Step 5: Solve for x
    x = 1,684,226.44/1,547.06
  6. Step 6: Final answer
    x = 1,088.66

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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.