Home / 3,861.31-5,332.40-3,298.50

Finding the Fourth Proportional to 3,861.31, 5,332.40 and 3,298.50

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Solution

The fourth proportional to 3,861.31, 5,332.40 and 3,298.50 is: 4,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.31 : 5,332.40 = 3,298.50 : x
  2. Step 2: Convert to fraction form
    3,861.31/5,332.40 = 3,298.50/x
  3. Step 3: Cross multiply
    3,861.31x = 5,332.40 × 3,298.50
  4. Step 4: Simplify right side
    3,861.31x = 17,588,921.40
  5. Step 5: Solve for x
    x = 17,588,921.40/3,861.31
  6. Step 6: Final answer
    x = 4,555.17

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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.