Home / 2,721.23-4,080.82-1,160.26

Finding the Fourth Proportional to 2,721.23, 4,080.82 and 1,160.26

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Solution

The fourth proportional to 2,721.23, 4,080.82 and 1,160.26 is: 1,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.23 : 4,080.82 = 1,160.26 : x
  2. Step 2: Convert to fraction form
    2,721.23/4,080.82 = 1,160.26/x
  3. Step 3: Cross multiply
    2,721.23x = 4,080.82 × 1,160.26
  4. Step 4: Simplify right side
    2,721.23x = 4,734,818.76
  5. Step 5: Solve for x
    x = 4,734,818.76/2,721.23
  6. Step 6: Final answer
    x = 1,739.95

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1.5x scale

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.