Home / 2,512.16-3,767.40-1,031

Finding the Fourth Proportional to 2,512.16, 3,767.40 and 1,031

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Solution

The fourth proportional to 2,512.16, 3,767.40 and 1,031 is: 1,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.16 : 3,767.40 = 1,031 : x
  2. Step 2: Convert to fraction form
    2,512.16/3,767.40 = 1,031/x
  3. Step 3: Cross multiply
    2,512.16x = 3,767.40 × 1,031
  4. Step 4: Simplify right side
    2,512.16x = 3,884,189.40
  5. Step 5: Solve for x
    x = 3,884,189.40/2,512.16
  6. Step 6: Final answer
    x = 1,546.16

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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.