Home / 3,654.42-5,030.43-3,187.86

Finding the Fourth Proportional to 3,654.42, 5,030.43 and 3,187.86

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Solution

The fourth proportional to 3,654.42, 5,030.43 and 3,187.86 is: 4,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.42 : 5,030.43 = 3,187.86 : x
  2. Step 2: Convert to fraction form
    3,654.42/5,030.43 = 3,187.86/x
  3. Step 3: Cross multiply
    3,654.42x = 5,030.43 × 3,187.86
  4. Step 4: Simplify right side
    3,654.42x = 16,036,306.58
  5. Step 5: Solve for x
    x = 16,036,306.58/3,654.42
  6. Step 6: Final answer
    x = 4,388.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.