Home / 2,722.75-3,757.40-1,543.93

Finding the Fourth Proportional to 2,722.75, 3,757.40 and 1,543.93

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Solution

The fourth proportional to 2,722.75, 3,757.40 and 1,543.93 is: 2,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.75 : 3,757.40 = 1,543.93 : x
  2. Step 2: Convert to fraction form
    2,722.75/3,757.40 = 1,543.93/x
  3. Step 3: Cross multiply
    2,722.75x = 3,757.40 × 1,543.93
  4. Step 4: Simplify right side
    2,722.75x = 5,801,162.58
  5. Step 5: Solve for x
    x = 5,801,162.58/2,722.75
  6. Step 6: Final answer
    x = 2,130.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.