Home / 2,801.38-4,202.88-1,157.62

Finding the Fourth Proportional to 2,801.38, 4,202.88 and 1,157.62

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Solution

The fourth proportional to 2,801.38, 4,202.88 and 1,157.62 is: 1,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.38 : 4,202.88 = 1,157.62 : x
  2. Step 2: Convert to fraction form
    2,801.38/4,202.88 = 1,157.62/x
  3. Step 3: Cross multiply
    2,801.38x = 4,202.88 × 1,157.62
  4. Step 4: Simplify right side
    2,801.38x = 4,865,337.95
  5. Step 5: Solve for x
    x = 4,865,337.95/2,801.38
  6. Step 6: Final answer
    x = 1,736.76

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1.5x scale

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.