Home / 2,512.35-3,767.85-1,051.20

Finding the Fourth Proportional to 2,512.35, 3,767.85 and 1,051.20

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Solution

The fourth proportional to 2,512.35, 3,767.85 and 1,051.20 is: 1,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.35 : 3,767.85 = 1,051.20 : x
  2. Step 2: Convert to fraction form
    2,512.35/3,767.85 = 1,051.20/x
  3. Step 3: Cross multiply
    2,512.35x = 3,767.85 × 1,051.20
  4. Step 4: Simplify right side
    2,512.35x = 3,960,763.92
  5. Step 5: Solve for x
    x = 3,960,763.92/2,512.35
  6. Step 6: Final answer
    x = 1,576.52

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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.