Home / 2,310.11-3,188.17-1,565.62

Finding the Fourth Proportional to 2,310.11, 3,188.17 and 1,565.62

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Solution

The fourth proportional to 2,310.11, 3,188.17 and 1,565.62 is: 2,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.11 : 3,188.17 = 1,565.62 : x
  2. Step 2: Convert to fraction form
    2,310.11/3,188.17 = 1,565.62/x
  3. Step 3: Cross multiply
    2,310.11x = 3,188.17 × 1,565.62
  4. Step 4: Simplify right side
    2,310.11x = 4,991,462.72
  5. Step 5: Solve for x
    x = 4,991,462.72/2,310.11
  6. Step 6: Final answer
    x = 2,160.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.