Home / 3,155.47-4,354.91-2,035.96

Finding the Fourth Proportional to 3,155.47, 4,354.91 and 2,035.96

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Solution

The fourth proportional to 3,155.47, 4,354.91 and 2,035.96 is: 2,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.47 : 4,354.91 = 2,035.96 : x
  2. Step 2: Convert to fraction form
    3,155.47/4,354.91 = 2,035.96/x
  3. Step 3: Cross multiply
    3,155.47x = 4,354.91 × 2,035.96
  4. Step 4: Simplify right side
    3,155.47x = 8,866,422.56
  5. Step 5: Solve for x
    x = 8,866,422.56/3,155.47
  6. Step 6: Final answer
    x = 2,809.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.