Home / 1,545.80-2,317.07-723.38

Finding the Fourth Proportional to 1,545.80, 2,317.07 and 723.38

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Solution

The fourth proportional to 1,545.80, 2,317.07 and 723.38 is: 1,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.80 : 2,317.07 = 723.38 : x
  2. Step 2: Convert to fraction form
    1,545.80/2,317.07 = 723.38/x
  3. Step 3: Cross multiply
    1,545.80x = 2,317.07 × 723.38
  4. Step 4: Simplify right side
    1,545.80x = 1,676,112.32
  5. Step 5: Solve for x
    x = 1,676,112.32/1,545.80
  6. Step 6: Final answer
    x = 1,084.30

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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.