Home / 2,299.96-3,175.68-1,801.72

Finding the Fourth Proportional to 2,299.96, 3,175.68 and 1,801.72

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Solution

The fourth proportional to 2,299.96, 3,175.68 and 1,801.72 is: 2,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.96 : 3,175.68 = 1,801.72 : x
  2. Step 2: Convert to fraction form
    2,299.96/3,175.68 = 1,801.72/x
  3. Step 3: Cross multiply
    2,299.96x = 3,175.68 × 1,801.72
  4. Step 4: Simplify right side
    2,299.96x = 5,721,686.17
  5. Step 5: Solve for x
    x = 5,721,686.17/2,299.96
  6. Step 6: Final answer
    x = 2,487.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.