Home / 3,335.11-5,002.76-1,387.46

Finding the Fourth Proportional to 3,335.11, 5,002.76 and 1,387.46

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Solution

The fourth proportional to 3,335.11, 5,002.76 and 1,387.46 is: 2,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.11 : 5,002.76 = 1,387.46 : x
  2. Step 2: Convert to fraction form
    3,335.11/5,002.76 = 1,387.46/x
  3. Step 3: Cross multiply
    3,335.11x = 5,002.76 × 1,387.46
  4. Step 4: Simplify right side
    3,335.11x = 6,941,145.37
  5. Step 5: Solve for x
    x = 6,941,145.37/3,335.11
  6. Step 6: Final answer
    x = 2,081.24

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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.