Home / 3,207.47-4,426.76-1,948.55

Finding the Fourth Proportional to 3,207.47, 4,426.76 and 1,948.55

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Solution

The fourth proportional to 3,207.47, 4,426.76 and 1,948.55 is: 2,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.47 : 4,426.76 = 1,948.55 : x
  2. Step 2: Convert to fraction form
    3,207.47/4,426.76 = 1,948.55/x
  3. Step 3: Cross multiply
    3,207.47x = 4,426.76 × 1,948.55
  4. Step 4: Simplify right side
    3,207.47x = 8,625,753.46
  5. Step 5: Solve for x
    x = 8,625,753.46/3,207.47
  6. Step 6: Final answer
    x = 2,689.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.