Home / 1,549.38-2,323.80-624.70

Finding the Fourth Proportional to 1,549.38, 2,323.80 and 624.70

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Solution

The fourth proportional to 1,549.38, 2,323.80 and 624.70 is: 936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.38 : 2,323.80 = 624.70 : x
  2. Step 2: Convert to fraction form
    1,549.38/2,323.80 = 624.70/x
  3. Step 3: Cross multiply
    1,549.38x = 2,323.80 × 624.70
  4. Step 4: Simplify right side
    1,549.38x = 1,451,677.86
  5. Step 5: Solve for x
    x = 1,451,677.86/1,549.38
  6. Step 6: Final answer
    x = 936.94

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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.