Home / 3,207.79-4,812.19-1,358.92

Finding the Fourth Proportional to 3,207.79, 4,812.19 and 1,358.92

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Solution

The fourth proportional to 3,207.79, 4,812.19 and 1,358.92 is: 2,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.79 : 4,812.19 = 1,358.92 : x
  2. Step 2: Convert to fraction form
    3,207.79/4,812.19 = 1,358.92/x
  3. Step 3: Cross multiply
    3,207.79x = 4,812.19 × 1,358.92
  4. Step 4: Simplify right side
    3,207.79x = 6,539,381.23
  5. Step 5: Solve for x
    x = 6,539,381.23/3,207.79
  6. Step 6: Final answer
    x = 2,038.59

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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.