Home / 3,130.17-4,695.96-1,281.04

Finding the Fourth Proportional to 3,130.17, 4,695.96 and 1,281.04

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Solution

The fourth proportional to 3,130.17, 4,695.96 and 1,281.04 is: 1,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.17 : 4,695.96 = 1,281.04 : x
  2. Step 2: Convert to fraction form
    3,130.17/4,695.96 = 1,281.04/x
  3. Step 3: Cross multiply
    3,130.17x = 4,695.96 × 1,281.04
  4. Step 4: Simplify right side
    3,130.17x = 6,015,712.60
  5. Step 5: Solve for x
    x = 6,015,712.60/3,130.17
  6. Step 6: Final answer
    x = 1,921.85

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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.