Home / 2,722.36-3,756.24-1,543.48

Finding the Fourth Proportional to 2,722.36, 3,756.24 and 1,543.48

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Solution

The fourth proportional to 2,722.36, 3,756.24 and 1,543.48 is: 2,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.36 : 3,756.24 = 1,543.48 : x
  2. Step 2: Convert to fraction form
    2,722.36/3,756.24 = 1,543.48/x
  3. Step 3: Cross multiply
    2,722.36x = 3,756.24 × 1,543.48
  4. Step 4: Simplify right side
    2,722.36x = 5,797,681.32
  5. Step 5: Solve for x
    x = 5,797,681.32/2,722.36
  6. Step 6: Final answer
    x = 2,129.65

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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.