Home / 3,688.76-5,527.37-2,317.88

Finding the Fourth Proportional to 3,688.76, 5,527.37 and 2,317.88

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Solution

The fourth proportional to 3,688.76, 5,527.37 and 2,317.88 is: 3,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.76 : 5,527.37 = 2,317.88 : x
  2. Step 2: Convert to fraction form
    3,688.76/5,527.37 = 2,317.88/x
  3. Step 3: Cross multiply
    3,688.76x = 5,527.37 × 2,317.88
  4. Step 4: Simplify right side
    3,688.76x = 12,811,780.38
  5. Step 5: Solve for x
    x = 12,811,780.38/3,688.76
  6. Step 6: Final answer
    x = 3,473.19

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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.