Home / 2,695.67-4,041.55-845.78

Finding the Fourth Proportional to 2,695.67, 4,041.55 and 845.78

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Solution

The fourth proportional to 2,695.67, 4,041.55 and 845.78 is: 1,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.67 : 4,041.55 = 845.78 : x
  2. Step 2: Convert to fraction form
    2,695.67/4,041.55 = 845.78/x
  3. Step 3: Cross multiply
    2,695.67x = 4,041.55 × 845.78
  4. Step 4: Simplify right side
    2,695.67x = 3,418,257.93
  5. Step 5: Solve for x
    x = 3,418,257.93/2,695.67
  6. Step 6: Final answer
    x = 1,268.06

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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.