Home / 3,905.16-5,869.80-2,614.92

Finding the Fourth Proportional to 3,905.16, 5,869.80 and 2,614.92

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Solution

The fourth proportional to 3,905.16, 5,869.80 and 2,614.92 is: 3,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.16 : 5,869.80 = 2,614.92 : x
  2. Step 2: Convert to fraction form
    3,905.16/5,869.80 = 2,614.92/x
  3. Step 3: Cross multiply
    3,905.16x = 5,869.80 × 2,614.92
  4. Step 4: Simplify right side
    3,905.16x = 15,349,057.42
  5. Step 5: Solve for x
    x = 15,349,057.42/3,905.16
  6. Step 6: Final answer
    x = 3,930.46

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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.