Home / 2,512.10-3,763.28-1,214.48

Finding the Fourth Proportional to 2,512.10, 3,763.28 and 1,214.48

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Solution

The fourth proportional to 2,512.10, 3,763.28 and 1,214.48 is: 1,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.10 : 3,763.28 = 1,214.48 : x
  2. Step 2: Convert to fraction form
    2,512.10/3,763.28 = 1,214.48/x
  3. Step 3: Cross multiply
    2,512.10x = 3,763.28 × 1,214.48
  4. Step 4: Simplify right side
    2,512.10x = 4,570,403.41
  5. Step 5: Solve for x
    x = 4,570,403.41/2,512.10
  6. Step 6: Final answer
    x = 1,819.36

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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.