Home / 3,382.50-5,071.76-1,302.11

Finding the Fourth Proportional to 3,382.50, 5,071.76 and 1,302.11

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Solution

The fourth proportional to 3,382.50, 5,071.76 and 1,302.11 is: 1,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.50 : 5,071.76 = 1,302.11 : x
  2. Step 2: Convert to fraction form
    3,382.50/5,071.76 = 1,302.11/x
  3. Step 3: Cross multiply
    3,382.50x = 5,071.76 × 1,302.11
  4. Step 4: Simplify right side
    3,382.50x = 6,603,989.41
  5. Step 5: Solve for x
    x = 6,603,989.41/3,382.50
  6. Step 6: Final answer
    x = 1,952.40

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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.