Home / 3,927.20-5,418.64-2,248.32

Finding the Fourth Proportional to 3,927.20, 5,418.64 and 2,248.32

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Solution

The fourth proportional to 3,927.20, 5,418.64 and 2,248.32 is: 3,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.20 : 5,418.64 = 2,248.32 : x
  2. Step 2: Convert to fraction form
    3,927.20/5,418.64 = 2,248.32/x
  3. Step 3: Cross multiply
    3,927.20x = 5,418.64 × 2,248.32
  4. Step 4: Simplify right side
    3,927.20x = 12,182,836.68
  5. Step 5: Solve for x
    x = 12,182,836.68/3,927.20
  6. Step 6: Final answer
    x = 3,102.17

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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.