Home / 2,841.16-4,261.75-1,281.90

Finding the Fourth Proportional to 2,841.16, 4,261.75 and 1,281.90

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Solution

The fourth proportional to 2,841.16, 4,261.75 and 1,281.90 is: 1,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.16 : 4,261.75 = 1,281.90 : x
  2. Step 2: Convert to fraction form
    2,841.16/4,261.75 = 1,281.90/x
  3. Step 3: Cross multiply
    2,841.16x = 4,261.75 × 1,281.90
  4. Step 4: Simplify right side
    2,841.16x = 5,463,137.33
  5. Step 5: Solve for x
    x = 5,463,137.33/2,841.16
  6. Step 6: Final answer
    x = 1,922.85

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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.