Home / 2,581.44-3,561.76-1,533.92

Finding the Fourth Proportional to 2,581.44, 3,561.76 and 1,533.92

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Solution

The fourth proportional to 2,581.44, 3,561.76 and 1,533.92 is: 2,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.44 : 3,561.76 = 1,533.92 : x
  2. Step 2: Convert to fraction form
    2,581.44/3,561.76 = 1,533.92/x
  3. Step 3: Cross multiply
    2,581.44x = 3,561.76 × 1,533.92
  4. Step 4: Simplify right side
    2,581.44x = 5,463,454.90
  5. Step 5: Solve for x
    x = 5,463,454.90/2,581.44
  6. Step 6: Final answer
    x = 2,116.44

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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.