Home / 2,170.68-3,252.31-1,551.22

Finding the Fourth Proportional to 2,170.68, 3,252.31 and 1,551.22

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Solution

The fourth proportional to 2,170.68, 3,252.31 and 1,551.22 is: 2,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.68 : 3,252.31 = 1,551.22 : x
  2. Step 2: Convert to fraction form
    2,170.68/3,252.31 = 1,551.22/x
  3. Step 3: Cross multiply
    2,170.68x = 3,252.31 × 1,551.22
  4. Step 4: Simplify right side
    2,170.68x = 5,045,048.32
  5. Step 5: Solve for x
    x = 5,045,048.32/2,170.68
  6. Step 6: Final answer
    x = 2,324.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.