Home / 3,207.62-4,807.38-1,357.76

Finding the Fourth Proportional to 3,207.62, 4,807.38 and 1,357.76

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Solution

The fourth proportional to 3,207.62, 4,807.38 and 1,357.76 is: 2,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.62 : 4,807.38 = 1,357.76 : x
  2. Step 2: Convert to fraction form
    3,207.62/4,807.38 = 1,357.76/x
  3. Step 3: Cross multiply
    3,207.62x = 4,807.38 × 1,357.76
  4. Step 4: Simplify right side
    3,207.62x = 6,527,268.27
  5. Step 5: Solve for x
    x = 6,527,268.27/3,207.62
  6. Step 6: Final answer
    x = 2,034.93

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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.