Home / 2,925.30-4,387.97-1,171.10

Finding the Fourth Proportional to 2,925.30, 4,387.97 and 1,171.10

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Solution

The fourth proportional to 2,925.30, 4,387.97 and 1,171.10 is: 1,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.30 : 4,387.97 = 1,171.10 : x
  2. Step 2: Convert to fraction form
    2,925.30/4,387.97 = 1,171.10/x
  3. Step 3: Cross multiply
    2,925.30x = 4,387.97 × 1,171.10
  4. Step 4: Simplify right side
    2,925.30x = 5,138,723.87
  5. Step 5: Solve for x
    x = 5,138,723.87/2,925.30
  6. Step 6: Final answer
    x = 1,756.65

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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.