Home / 1,652.72-2,480.30-1,331.96

Finding the Fourth Proportional to 1,652.72, 2,480.30 and 1,331.96

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Solution

The fourth proportional to 1,652.72, 2,480.30 and 1,331.96 is: 1,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.72 : 2,480.30 = 1,331.96 : x
  2. Step 2: Convert to fraction form
    1,652.72/2,480.30 = 1,331.96/x
  3. Step 3: Cross multiply
    1,652.72x = 2,480.30 × 1,331.96
  4. Step 4: Simplify right side
    1,652.72x = 3,303,660.39
  5. Step 5: Solve for x
    x = 3,303,660.39/1,652.72
  6. Step 6: Final answer
    x = 1,998.92

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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.