Home / 2,849.62-4,272.56-1,969.66

Finding the Fourth Proportional to 2,849.62, 4,272.56 and 1,969.66

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Solution

The fourth proportional to 2,849.62, 4,272.56 and 1,969.66 is: 2,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.62 : 4,272.56 = 1,969.66 : x
  2. Step 2: Convert to fraction form
    2,849.62/4,272.56 = 1,969.66/x
  3. Step 3: Cross multiply
    2,849.62x = 4,272.56 × 1,969.66
  4. Step 4: Simplify right side
    2,849.62x = 8,415,490.53
  5. Step 5: Solve for x
    x = 8,415,490.53/2,849.62
  6. Step 6: Final answer
    x = 2,953.20

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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.