Home / 2,603.28-3,902.20-1,141.20

Finding the Fourth Proportional to 2,603.28, 3,902.20 and 1,141.20

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Solution

The fourth proportional to 2,603.28, 3,902.20 and 1,141.20 is: 1,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.28 : 3,902.20 = 1,141.20 : x
  2. Step 2: Convert to fraction form
    2,603.28/3,902.20 = 1,141.20/x
  3. Step 3: Cross multiply
    2,603.28x = 3,902.20 × 1,141.20
  4. Step 4: Simplify right side
    2,603.28x = 4,453,190.64
  5. Step 5: Solve for x
    x = 4,453,190.64/2,603.28
  6. Step 6: Final answer
    x = 1,710.61

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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.