Home / 3,115.57-4,675.67-1,472.62

Finding the Fourth Proportional to 3,115.57, 4,675.67 and 1,472.62

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Solution

The fourth proportional to 3,115.57, 4,675.67 and 1,472.62 is: 2,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.57 : 4,675.67 = 1,472.62 : x
  2. Step 2: Convert to fraction form
    3,115.57/4,675.67 = 1,472.62/x
  3. Step 3: Cross multiply
    3,115.57x = 4,675.67 × 1,472.62
  4. Step 4: Simplify right side
    3,115.57x = 6,885,454.41
  5. Step 5: Solve for x
    x = 6,885,454.41/3,115.57
  6. Step 6: Final answer
    x = 2,210.02

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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.