Home / 2,722.94-3,757.45-1,543.98

Finding the Fourth Proportional to 2,722.94, 3,757.45 and 1,543.98

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Solution

The fourth proportional to 2,722.94, 3,757.45 and 1,543.98 is: 2,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.94 : 3,757.45 = 1,543.98 : x
  2. Step 2: Convert to fraction form
    2,722.94/3,757.45 = 1,543.98/x
  3. Step 3: Cross multiply
    2,722.94x = 3,757.45 × 1,543.98
  4. Step 4: Simplify right side
    2,722.94x = 5,801,427.65
  5. Step 5: Solve for x
    x = 5,801,427.65/2,722.94
  6. Step 6: Final answer
    x = 2,130.57

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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.