Home / 2,170.08-3,254.20-1,581.41

Finding the Fourth Proportional to 2,170.08, 3,254.20 and 1,581.41

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Solution

The fourth proportional to 2,170.08, 3,254.20 and 1,581.41 is: 2,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.08 : 3,254.20 = 1,581.41 : x
  2. Step 2: Convert to fraction form
    2,170.08/3,254.20 = 1,581.41/x
  3. Step 3: Cross multiply
    2,170.08x = 3,254.20 × 1,581.41
  4. Step 4: Simplify right side
    2,170.08x = 5,146,228.60
  5. Step 5: Solve for x
    x = 5,146,228.60/2,170.08
  6. Step 6: Final answer
    x = 2,371.45

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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.