Home / 2,218.92-3,062.15-1,334.55

Finding the Fourth Proportional to 2,218.92, 3,062.15 and 1,334.55

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Solution

The fourth proportional to 2,218.92, 3,062.15 and 1,334.55 is: 1,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.92 : 3,062.15 = 1,334.55 : x
  2. Step 2: Convert to fraction form
    2,218.92/3,062.15 = 1,334.55/x
  3. Step 3: Cross multiply
    2,218.92x = 3,062.15 × 1,334.55
  4. Step 4: Simplify right side
    2,218.92x = 4,086,592.28
  5. Step 5: Solve for x
    x = 4,086,592.28/2,218.92
  6. Step 6: Final answer
    x = 1,841.70

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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.