Home / 2,218.93-3,062.28-1,274.88

Finding the Fourth Proportional to 2,218.93, 3,062.28 and 1,274.88

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Solution

The fourth proportional to 2,218.93, 3,062.28 and 1,274.88 is: 1,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.93 : 3,062.28 = 1,274.88 : x
  2. Step 2: Convert to fraction form
    2,218.93/3,062.28 = 1,274.88/x
  3. Step 3: Cross multiply
    2,218.93x = 3,062.28 × 1,274.88
  4. Step 4: Simplify right side
    2,218.93x = 3,904,039.53
  5. Step 5: Solve for x
    x = 3,904,039.53/2,218.93
  6. Step 6: Final answer
    x = 1,759.42

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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.