Home / 2,691.06-4,042.74-2,580.48

Finding the Fourth Proportional to 2,691.06, 4,042.74 and 2,580.48

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Solution

The fourth proportional to 2,691.06, 4,042.74 and 2,580.48 is: 3,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.06 : 4,042.74 = 2,580.48 : x
  2. Step 2: Convert to fraction form
    2,691.06/4,042.74 = 2,580.48/x
  3. Step 3: Cross multiply
    2,691.06x = 4,042.74 × 2,580.48
  4. Step 4: Simplify right side
    2,691.06x = 10,432,209.72
  5. Step 5: Solve for x
    x = 10,432,209.72/2,691.06
  6. Step 6: Final answer
    x = 3,876.62

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1.5x scale

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.