Home / 3,325.29-4,987.79-1,376.97

Finding the Fourth Proportional to 3,325.29, 4,987.79 and 1,376.97

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Solution

The fourth proportional to 3,325.29, 4,987.79 and 1,376.97 is: 2,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.29 : 4,987.79 = 1,376.97 : x
  2. Step 2: Convert to fraction form
    3,325.29/4,987.79 = 1,376.97/x
  3. Step 3: Cross multiply
    3,325.29x = 4,987.79 × 1,376.97
  4. Step 4: Simplify right side
    3,325.29x = 6,868,037.20
  5. Step 5: Solve for x
    x = 6,868,037.20/3,325.29
  6. Step 6: Final answer
    x = 2,065.39

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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.