Home / 3,376.80-5,063.04-1,427.04

Finding the Fourth Proportional to 3,376.80, 5,063.04 and 1,427.04

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Solution

The fourth proportional to 3,376.80, 5,063.04 and 1,427.04 is: 2,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.80 : 5,063.04 = 1,427.04 : x
  2. Step 2: Convert to fraction form
    3,376.80/5,063.04 = 1,427.04/x
  3. Step 3: Cross multiply
    3,376.80x = 5,063.04 × 1,427.04
  4. Step 4: Simplify right side
    3,376.80x = 7,225,160.60
  5. Step 5: Solve for x
    x = 7,225,160.60/3,376.80
  6. Step 6: Final answer
    x = 2,139.65

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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.