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Finding the Fourth Proportional to 3,898.86, 5,848.32 and 1,301.79

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Solution

The fourth proportional to 3,898.86, 5,848.32 and 1,301.79 is: 1,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.86 : 5,848.32 = 1,301.79 : x
  2. Step 2: Convert to fraction form
    3,898.86/5,848.32 = 1,301.79/x
  3. Step 3: Cross multiply
    3,898.86x = 5,848.32 × 1,301.79
  4. Step 4: Simplify right side
    3,898.86x = 7,613,284.49
  5. Step 5: Solve for x
    x = 7,613,284.49/3,898.86
  6. Step 6: Final answer
    x = 1,952.70

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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.