Home / 3,927.84-5,421.06-2,248.92

Finding the Fourth Proportional to 3,927.84, 5,421.06 and 2,248.92

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Solution

The fourth proportional to 3,927.84, 5,421.06 and 2,248.92 is: 3,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.84 : 5,421.06 = 2,248.92 : x
  2. Step 2: Convert to fraction form
    3,927.84/5,421.06 = 2,248.92/x
  3. Step 3: Cross multiply
    3,927.84x = 5,421.06 × 2,248.92
  4. Step 4: Simplify right side
    3,927.84x = 12,191,530.26
  5. Step 5: Solve for x
    x = 12,191,530.26/3,927.84
  6. Step 6: Final answer
    x = 3,103.88

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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.