Home / 3,335.12-5,002.27-1,387.07

Finding the Fourth Proportional to 3,335.12, 5,002.27 and 1,387.07

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Solution

The fourth proportional to 3,335.12, 5,002.27 and 1,387.07 is: 2,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.12 : 5,002.27 = 1,387.07 : x
  2. Step 2: Convert to fraction form
    3,335.12/5,002.27 = 1,387.07/x
  3. Step 3: Cross multiply
    3,335.12x = 5,002.27 × 1,387.07
  4. Step 4: Simplify right side
    3,335.12x = 6,938,470.17
  5. Step 5: Solve for x
    x = 6,938,470.17/3,335.12
  6. Step 6: Final answer
    x = 2,080.43

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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.