Home / 3,787.28-5,225.60-2,214.64

Finding the Fourth Proportional to 3,787.28, 5,225.60 and 2,214.64

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Solution

The fourth proportional to 3,787.28, 5,225.60 and 2,214.64 is: 3,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.28 : 5,225.60 = 2,214.64 : x
  2. Step 2: Convert to fraction form
    3,787.28/5,225.60 = 2,214.64/x
  3. Step 3: Cross multiply
    3,787.28x = 5,225.60 × 2,214.64
  4. Step 4: Simplify right side
    3,787.28x = 11,572,822.78
  5. Step 5: Solve for x
    x = 11,572,822.78/3,787.28
  6. Step 6: Final answer
    x = 3,055.71

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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.