Home / 3,159.28-4,743.78-3,100.96

Finding the Fourth Proportional to 3,159.28, 4,743.78 and 3,100.96

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Solution

The fourth proportional to 3,159.28, 4,743.78 and 3,100.96 is: 4,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.28 : 4,743.78 = 3,100.96 : x
  2. Step 2: Convert to fraction form
    3,159.28/4,743.78 = 3,100.96/x
  3. Step 3: Cross multiply
    3,159.28x = 4,743.78 × 3,100.96
  4. Step 4: Simplify right side
    3,159.28x = 14,710,272.03
  5. Step 5: Solve for x
    x = 14,710,272.03/3,159.28
  6. Step 6: Final answer
    x = 4,656.21

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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.