Home / 3,242.13-4,863.60-1,392.90

Finding the Fourth Proportional to 3,242.13, 4,863.60 and 1,392.90

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Solution

The fourth proportional to 3,242.13, 4,863.60 and 1,392.90 is: 2,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.13 : 4,863.60 = 1,392.90 : x
  2. Step 2: Convert to fraction form
    3,242.13/4,863.60 = 1,392.90/x
  3. Step 3: Cross multiply
    3,242.13x = 4,863.60 × 1,392.90
  4. Step 4: Simplify right side
    3,242.13x = 6,774,508.44
  5. Step 5: Solve for x
    x = 6,774,508.44/3,242.13
  6. Step 6: Final answer
    x = 2,089.52

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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.