Home / 2,581.22-3,561.18-1,697.51

Finding the Fourth Proportional to 2,581.22, 3,561.18 and 1,697.51

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Solution

The fourth proportional to 2,581.22, 3,561.18 and 1,697.51 is: 2,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.22 : 3,561.18 = 1,697.51 : x
  2. Step 2: Convert to fraction form
    2,581.22/3,561.18 = 1,697.51/x
  3. Step 3: Cross multiply
    2,581.22x = 3,561.18 × 1,697.51
  4. Step 4: Simplify right side
    2,581.22x = 6,045,138.66
  5. Step 5: Solve for x
    x = 6,045,138.66/2,581.22
  6. Step 6: Final answer
    x = 2,341.97

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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.