Home / 1,902.04-2,850.15-1,380.76

Finding the Fourth Proportional to 1,902.04, 2,850.15 and 1,380.76

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Solution

The fourth proportional to 1,902.04, 2,850.15 and 1,380.76 is: 2,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.04 : 2,850.15 = 1,380.76 : x
  2. Step 2: Convert to fraction form
    1,902.04/2,850.15 = 1,380.76/x
  3. Step 3: Cross multiply
    1,902.04x = 2,850.15 × 1,380.76
  4. Step 4: Simplify right side
    1,902.04x = 3,935,373.11
  5. Step 5: Solve for x
    x = 3,935,373.11/1,902.04
  6. Step 6: Final answer
    x = 2,069.03

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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.