Home / 2,801.60-4,202.31-1,156.89

Finding the Fourth Proportional to 2,801.60, 4,202.31 and 1,156.89

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Solution

The fourth proportional to 2,801.60, 4,202.31 and 1,156.89 is: 1,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.60 : 4,202.31 = 1,156.89 : x
  2. Step 2: Convert to fraction form
    2,801.60/4,202.31 = 1,156.89/x
  3. Step 3: Cross multiply
    2,801.60x = 4,202.31 × 1,156.89
  4. Step 4: Simplify right side
    2,801.60x = 4,861,610.42
  5. Step 5: Solve for x
    x = 4,861,610.42/2,801.60
  6. Step 6: Final answer
    x = 1,735.30

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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.