Home / 3,895.40-5,844.03-1,298.36

Finding the Fourth Proportional to 3,895.40, 5,844.03 and 1,298.36

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Solution

The fourth proportional to 3,895.40, 5,844.03 and 1,298.36 is: 1,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.40 : 5,844.03 = 1,298.36 : x
  2. Step 2: Convert to fraction form
    3,895.40/5,844.03 = 1,298.36/x
  3. Step 3: Cross multiply
    3,895.40x = 5,844.03 × 1,298.36
  4. Step 4: Simplify right side
    3,895.40x = 7,587,654.79
  5. Step 5: Solve for x
    x = 7,587,654.79/3,895.40
  6. Step 6: Final answer
    x = 1,947.85

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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.