Home / 2,250.36-3,378.70-1,155.52

Finding the Fourth Proportional to 2,250.36, 3,378.70 and 1,155.52

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Solution

The fourth proportional to 2,250.36, 3,378.70 and 1,155.52 is: 1,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.36 : 3,378.70 = 1,155.52 : x
  2. Step 2: Convert to fraction form
    2,250.36/3,378.70 = 1,155.52/x
  3. Step 3: Cross multiply
    2,250.36x = 3,378.70 × 1,155.52
  4. Step 4: Simplify right side
    2,250.36x = 3,904,155.42
  5. Step 5: Solve for x
    x = 3,904,155.42/2,250.36
  6. Step 6: Final answer
    x = 1,734.90

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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.