Home / 2,721.30-4,079.13-1,075.59

Finding the Fourth Proportional to 2,721.30, 4,079.13 and 1,075.59

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Solution

The fourth proportional to 2,721.30, 4,079.13 and 1,075.59 is: 1,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.30 : 4,079.13 = 1,075.59 : x
  2. Step 2: Convert to fraction form
    2,721.30/4,079.13 = 1,075.59/x
  3. Step 3: Cross multiply
    2,721.30x = 4,079.13 × 1,075.59
  4. Step 4: Simplify right side
    2,721.30x = 4,387,471.44
  5. Step 5: Solve for x
    x = 4,387,471.44/2,721.30
  6. Step 6: Final answer
    x = 1,612.27

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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.