Home / 3,097.90-4,646.85-1,149.72

Finding the Fourth Proportional to 3,097.90, 4,646.85 and 1,149.72

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Solution

The fourth proportional to 3,097.90, 4,646.85 and 1,149.72 is: 1,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.90 : 4,646.85 = 1,149.72 : x
  2. Step 2: Convert to fraction form
    3,097.90/4,646.85 = 1,149.72/x
  3. Step 3: Cross multiply
    3,097.90x = 4,646.85 × 1,149.72
  4. Step 4: Simplify right side
    3,097.90x = 5,342,553.15
  5. Step 5: Solve for x
    x = 5,342,553.15/3,097.90
  6. Step 6: Final answer
    x = 1,724.57

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1.5x scale

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.