Home / 3,845.30-5,767.47-1,248.02

Finding the Fourth Proportional to 3,845.30, 5,767.47 and 1,248.02

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Solution

The fourth proportional to 3,845.30, 5,767.47 and 1,248.02 is: 1,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.30 : 5,767.47 = 1,248.02 : x
  2. Step 2: Convert to fraction form
    3,845.30/5,767.47 = 1,248.02/x
  3. Step 3: Cross multiply
    3,845.30x = 5,767.47 × 1,248.02
  4. Step 4: Simplify right side
    3,845.30x = 7,197,917.91
  5. Step 5: Solve for x
    x = 7,197,917.91/3,845.30
  6. Step 6: Final answer
    x = 1,871.87

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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.