Home / 3,926.80-5,417.64-2,248.24

Finding the Fourth Proportional to 3,926.80, 5,417.64 and 2,248.24

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Solution

The fourth proportional to 3,926.80, 5,417.64 and 2,248.24 is: 3,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.80 : 5,417.64 = 2,248.24 : x
  2. Step 2: Convert to fraction form
    3,926.80/5,417.64 = 2,248.24/x
  3. Step 3: Cross multiply
    3,926.80x = 5,417.64 × 2,248.24
  4. Step 4: Simplify right side
    3,926.80x = 12,180,154.95
  5. Step 5: Solve for x
    x = 12,180,154.95/3,926.80
  6. Step 6: Final answer
    x = 3,101.80

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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.