Home / 3,414.90-5,117.54-2,718.47

Finding the Fourth Proportional to 3,414.90, 5,117.54 and 2,718.47

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Solution

The fourth proportional to 3,414.90, 5,117.54 and 2,718.47 is: 4,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.90 : 5,117.54 = 2,718.47 : x
  2. Step 2: Convert to fraction form
    3,414.90/5,117.54 = 2,718.47/x
  3. Step 3: Cross multiply
    3,414.90x = 5,117.54 × 2,718.47
  4. Step 4: Simplify right side
    3,414.90x = 13,911,878.96
  5. Step 5: Solve for x
    x = 13,911,878.96/3,414.90
  6. Step 6: Final answer
    x = 4,073.88

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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.