Home / 3,437.72-5,156.85-1,357.58

Finding the Fourth Proportional to 3,437.72, 5,156.85 and 1,357.58

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Solution

The fourth proportional to 3,437.72, 5,156.85 and 1,357.58 is: 2,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.72 : 5,156.85 = 1,357.58 : x
  2. Step 2: Convert to fraction form
    3,437.72/5,156.85 = 1,357.58/x
  3. Step 3: Cross multiply
    3,437.72x = 5,156.85 × 1,357.58
  4. Step 4: Simplify right side
    3,437.72x = 7,000,836.42
  5. Step 5: Solve for x
    x = 7,000,836.42/3,437.72
  6. Step 6: Final answer
    x = 2,036.48

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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.