Home / 3,214.29-4,821.44-2,569.12

Finding the Fourth Proportional to 3,214.29, 4,821.44 and 2,569.12

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Solution

The fourth proportional to 3,214.29, 4,821.44 and 2,569.12 is: 3,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.29 : 4,821.44 = 2,569.12 : x
  2. Step 2: Convert to fraction form
    3,214.29/4,821.44 = 2,569.12/x
  3. Step 3: Cross multiply
    3,214.29x = 4,821.44 × 2,569.12
  4. Step 4: Simplify right side
    3,214.29x = 12,386,857.93
  5. Step 5: Solve for x
    x = 12,386,857.93/3,214.29
  6. Step 6: Final answer
    x = 3,853.68

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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.