Home / 3,902.28-5,854.08-1,304.64

Finding the Fourth Proportional to 3,902.28, 5,854.08 and 1,304.64

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Solution

The fourth proportional to 3,902.28, 5,854.08 and 1,304.64 is: 1,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.28 : 5,854.08 = 1,304.64 : x
  2. Step 2: Convert to fraction form
    3,902.28/5,854.08 = 1,304.64/x
  3. Step 3: Cross multiply
    3,902.28x = 5,854.08 × 1,304.64
  4. Step 4: Simplify right side
    3,902.28x = 7,637,466.93
  5. Step 5: Solve for x
    x = 7,637,466.93/3,902.28
  6. Step 6: Final answer
    x = 1,957.18

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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.