Home / 3,101.72-4,654.08-1,541.88

Finding the Fourth Proportional to 3,101.72, 4,654.08 and 1,541.88

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Solution

The fourth proportional to 3,101.72, 4,654.08 and 1,541.88 is: 2,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.72 : 4,654.08 = 1,541.88 : x
  2. Step 2: Convert to fraction form
    3,101.72/4,654.08 = 1,541.88/x
  3. Step 3: Cross multiply
    3,101.72x = 4,654.08 × 1,541.88
  4. Step 4: Simplify right side
    3,101.72x = 7,176,032.87
  5. Step 5: Solve for x
    x = 7,176,032.87/3,101.72
  6. Step 6: Final answer
    x = 2,313.57

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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.