Home / 3,845.38-5,767.48-1,071.76

Finding the Fourth Proportional to 3,845.38, 5,767.48 and 1,071.76

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Solution

The fourth proportional to 3,845.38, 5,767.48 and 1,071.76 is: 1,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.38 : 5,767.48 = 1,071.76 : x
  2. Step 2: Convert to fraction form
    3,845.38/5,767.48 = 1,071.76/x
  3. Step 3: Cross multiply
    3,845.38x = 5,767.48 × 1,071.76
  4. Step 4: Simplify right side
    3,845.38x = 6,181,320.17
  5. Step 5: Solve for x
    x = 6,181,320.17/3,845.38
  6. Step 6: Final answer
    x = 1,607.47

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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.