Home / 3,387.76-5,083.28-1,848.72

Finding the Fourth Proportional to 3,387.76, 5,083.28 and 1,848.72

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Solution

The fourth proportional to 3,387.76, 5,083.28 and 1,848.72 is: 2,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.76 : 5,083.28 = 1,848.72 : x
  2. Step 2: Convert to fraction form
    3,387.76/5,083.28 = 1,848.72/x
  3. Step 3: Cross multiply
    3,387.76x = 5,083.28 × 1,848.72
  4. Step 4: Simplify right side
    3,387.76x = 9,397,561.40
  5. Step 5: Solve for x
    x = 9,397,561.40/3,387.76
  6. Step 6: Final answer
    x = 2,773.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.