Home / 3,141.12-4,706.28-2,447.52

Finding the Fourth Proportional to 3,141.12, 4,706.28 and 2,447.52

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Solution

The fourth proportional to 3,141.12, 4,706.28 and 2,447.52 is: 3,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.12 : 4,706.28 = 2,447.52 : x
  2. Step 2: Convert to fraction form
    3,141.12/4,706.28 = 2,447.52/x
  3. Step 3: Cross multiply
    3,141.12x = 4,706.28 × 2,447.52
  4. Step 4: Simplify right side
    3,141.12x = 11,518,714.43
  5. Step 5: Solve for x
    x = 11,518,714.43/3,141.12
  6. Step 6: Final answer
    x = 3,667.07

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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.