Home / 3,482.28-5,219.45-1,400.96

Finding the Fourth Proportional to 3,482.28, 5,219.45 and 1,400.96

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Solution

The fourth proportional to 3,482.28, 5,219.45 and 1,400.96 is: 2,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.28 : 5,219.45 = 1,400.96 : x
  2. Step 2: Convert to fraction form
    3,482.28/5,219.45 = 1,400.96/x
  3. Step 3: Cross multiply
    3,482.28x = 5,219.45 × 1,400.96
  4. Step 4: Simplify right side
    3,482.28x = 7,312,207.57
  5. Step 5: Solve for x
    x = 7,312,207.57/3,482.28
  6. Step 6: Final answer
    x = 2,099.83

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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.