Home / 3,246.30-4,876.65-3,159.90

Finding the Fourth Proportional to 3,246.30, 4,876.65 and 3,159.90

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Solution

The fourth proportional to 3,246.30, 4,876.65 and 3,159.90 is: 4,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.30 : 4,876.65 = 3,159.90 : x
  2. Step 2: Convert to fraction form
    3,246.30/4,876.65 = 3,159.90/x
  3. Step 3: Cross multiply
    3,246.30x = 4,876.65 × 3,159.90
  4. Step 4: Simplify right side
    3,246.30x = 15,409,726.34
  5. Step 5: Solve for x
    x = 15,409,726.34/3,246.30
  6. Step 6: Final answer
    x = 4,746.86

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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.