Home / 2,581.88-3,564.08-1,743.72

Finding the Fourth Proportional to 2,581.88, 3,564.08 and 1,743.72

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Solution

The fourth proportional to 2,581.88, 3,564.08 and 1,743.72 is: 2,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.88 : 3,564.08 = 1,743.72 : x
  2. Step 2: Convert to fraction form
    2,581.88/3,564.08 = 1,743.72/x
  3. Step 3: Cross multiply
    2,581.88x = 3,564.08 × 1,743.72
  4. Step 4: Simplify right side
    2,581.88x = 6,214,757.58
  5. Step 5: Solve for x
    x = 6,214,757.58/2,581.88
  6. Step 6: Final answer
    x = 2,407.07

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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.