Home / 3,749.30-5,624.13-1,557.80

Finding the Fourth Proportional to 3,749.30, 5,624.13 and 1,557.80

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Solution

The fourth proportional to 3,749.30, 5,624.13 and 1,557.80 is: 2,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.30 : 5,624.13 = 1,557.80 : x
  2. Step 2: Convert to fraction form
    3,749.30/5,624.13 = 1,557.80/x
  3. Step 3: Cross multiply
    3,749.30x = 5,624.13 × 1,557.80
  4. Step 4: Simplify right side
    3,749.30x = 8,761,269.71
  5. Step 5: Solve for x
    x = 8,761,269.71/3,749.30
  6. Step 6: Final answer
    x = 2,336.77

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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.