Home / 3,938.16-5,904.33-1,304.71

Finding the Fourth Proportional to 3,938.16, 5,904.33 and 1,304.71

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Solution

The fourth proportional to 3,938.16, 5,904.33 and 1,304.71 is: 1,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.16 : 5,904.33 = 1,304.71 : x
  2. Step 2: Convert to fraction form
    3,938.16/5,904.33 = 1,304.71/x
  3. Step 3: Cross multiply
    3,938.16x = 5,904.33 × 1,304.71
  4. Step 4: Simplify right side
    3,938.16x = 7,703,438.39
  5. Step 5: Solve for x
    x = 7,703,438.39/3,938.16
  6. Step 6: Final answer
    x = 1,956.10

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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.