Home / 2,934.30-4,401.45-2,891.10

Finding the Fourth Proportional to 2,934.30, 4,401.45 and 2,891.10

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Solution

The fourth proportional to 2,934.30, 4,401.45 and 2,891.10 is: 4,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.30 : 4,401.45 = 2,891.10 : x
  2. Step 2: Convert to fraction form
    2,934.30/4,401.45 = 2,891.10/x
  3. Step 3: Cross multiply
    2,934.30x = 4,401.45 × 2,891.10
  4. Step 4: Simplify right side
    2,934.30x = 12,725,032.10
  5. Step 5: Solve for x
    x = 12,725,032.10/2,934.30
  6. Step 6: Final answer
    x = 4,336.65

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Similar ratio
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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.