Home / 3,827.76-5,282.19-2,256.90

Finding the Fourth Proportional to 3,827.76, 5,282.19 and 2,256.90

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Solution

The fourth proportional to 3,827.76, 5,282.19 and 2,256.90 is: 3,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.76 : 5,282.19 = 2,256.90 : x
  2. Step 2: Convert to fraction form
    3,827.76/5,282.19 = 2,256.90/x
  3. Step 3: Cross multiply
    3,827.76x = 5,282.19 × 2,256.90
  4. Step 4: Simplify right side
    3,827.76x = 11,921,374.61
  5. Step 5: Solve for x
    x = 11,921,374.61/3,827.76
  6. Step 6: Final answer
    x = 3,114.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.