Home / 3,129.89-4,691.46-2,035.04

Finding the Fourth Proportional to 3,129.89, 4,691.46 and 2,035.04

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Solution

The fourth proportional to 3,129.89, 4,691.46 and 2,035.04 is: 3,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.89 : 4,691.46 = 2,035.04 : x
  2. Step 2: Convert to fraction form
    3,129.89/4,691.46 = 2,035.04/x
  3. Step 3: Cross multiply
    3,129.89x = 4,691.46 × 2,035.04
  4. Step 4: Simplify right side
    3,129.89x = 9,547,308.76
  5. Step 5: Solve for x
    x = 9,547,308.76/3,129.89
  6. Step 6: Final answer
    x = 3,050.37

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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.