Home / 3,387.68-4,676.56-2,393.76

Finding the Fourth Proportional to 3,387.68, 4,676.56 and 2,393.76

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Solution

The fourth proportional to 3,387.68, 4,676.56 and 2,393.76 is: 3,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.68 : 4,676.56 = 2,393.76 : x
  2. Step 2: Convert to fraction form
    3,387.68/4,676.56 = 2,393.76/x
  3. Step 3: Cross multiply
    3,387.68x = 4,676.56 × 2,393.76
  4. Step 4: Simplify right side
    3,387.68x = 11,194,562.27
  5. Step 5: Solve for x
    x = 11,194,562.27/3,387.68
  6. Step 6: Final answer
    x = 3,304.49

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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.