Home / 3,753.60-5,631.54-2,660.08

Finding the Fourth Proportional to 3,753.60, 5,631.54 and 2,660.08

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Solution

The fourth proportional to 3,753.60, 5,631.54 and 2,660.08 is: 3,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.60 : 5,631.54 = 2,660.08 : x
  2. Step 2: Convert to fraction form
    3,753.60/5,631.54 = 2,660.08/x
  3. Step 3: Cross multiply
    3,753.60x = 5,631.54 × 2,660.08
  4. Step 4: Simplify right side
    3,753.60x = 14,980,346.92
  5. Step 5: Solve for x
    x = 14,980,346.92/3,753.60
  6. Step 6: Final answer
    x = 3,990.93

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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.