Home / 3,154.31-4,355.27-2,035.90

Finding the Fourth Proportional to 3,154.31, 4,355.27 and 2,035.90

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Solution

The fourth proportional to 3,154.31, 4,355.27 and 2,035.90 is: 2,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.31 : 4,355.27 = 2,035.90 : x
  2. Step 2: Convert to fraction form
    3,154.31/4,355.27 = 2,035.90/x
  3. Step 3: Cross multiply
    3,154.31x = 4,355.27 × 2,035.90
  4. Step 4: Simplify right side
    3,154.31x = 8,866,894.19
  5. Step 5: Solve for x
    x = 8,866,894.19/3,154.31
  6. Step 6: Final answer
    x = 2,811.04

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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.