Home / 3,335.84-5,002.20-1,387.52

Finding the Fourth Proportional to 3,335.84, 5,002.20 and 1,387.52

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Solution

The fourth proportional to 3,335.84, 5,002.20 and 1,387.52 is: 2,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.84 : 5,002.20 = 1,387.52 : x
  2. Step 2: Convert to fraction form
    3,335.84/5,002.20 = 1,387.52/x
  3. Step 3: Cross multiply
    3,335.84x = 5,002.20 × 1,387.52
  4. Step 4: Simplify right side
    3,335.84x = 6,940,652.54
  5. Step 5: Solve for x
    x = 6,940,652.54/3,335.84
  6. Step 6: Final answer
    x = 2,080.63

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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.