Home / 3,926.80-5,848.28-3,881.44

Finding the Fourth Proportional to 3,926.80, 5,848.28 and 3,881.44

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Solution

The fourth proportional to 3,926.80, 5,848.28 and 3,881.44 is: 5,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.80 : 5,848.28 = 3,881.44 : x
  2. Step 2: Convert to fraction form
    3,926.80/5,848.28 = 3,881.44/x
  3. Step 3: Cross multiply
    3,926.80x = 5,848.28 × 3,881.44
  4. Step 4: Simplify right side
    3,926.80x = 22,699,747.92
  5. Step 5: Solve for x
    x = 22,699,747.92/3,926.80
  6. Step 6: Final answer
    x = 5,780.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.