Home / 3,335.12-5,002.80-1,143.92

Finding the Fourth Proportional to 3,335.12, 5,002.80 and 1,143.92

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Solution

The fourth proportional to 3,335.12, 5,002.80 and 1,143.92 is: 1,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.12 : 5,002.80 = 1,143.92 : x
  2. Step 2: Convert to fraction form
    3,335.12/5,002.80 = 1,143.92/x
  3. Step 3: Cross multiply
    3,335.12x = 5,002.80 × 1,143.92
  4. Step 4: Simplify right side
    3,335.12x = 5,722,802.98
  5. Step 5: Solve for x
    x = 5,722,802.98/3,335.12
  6. Step 6: Final answer
    x = 1,715.92

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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.