Home / 2,902.03-4,350.31-1,439.78

Finding the Fourth Proportional to 2,902.03, 4,350.31 and 1,439.78

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Solution

The fourth proportional to 2,902.03, 4,350.31 and 1,439.78 is: 2,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.03 : 4,350.31 = 1,439.78 : x
  2. Step 2: Convert to fraction form
    2,902.03/4,350.31 = 1,439.78/x
  3. Step 3: Cross multiply
    2,902.03x = 4,350.31 × 1,439.78
  4. Step 4: Simplify right side
    2,902.03x = 6,263,463.98
  5. Step 5: Solve for x
    x = 6,263,463.98/2,902.03
  6. Step 6: Final answer
    x = 2,158.31

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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.