Home / 2,076.28-3,110.36-1,252.10

Finding the Fourth Proportional to 2,076.28, 3,110.36 and 1,252.10

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Solution

The fourth proportional to 2,076.28, 3,110.36 and 1,252.10 is: 1,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.28 : 3,110.36 = 1,252.10 : x
  2. Step 2: Convert to fraction form
    2,076.28/3,110.36 = 1,252.10/x
  3. Step 3: Cross multiply
    2,076.28x = 3,110.36 × 1,252.10
  4. Step 4: Simplify right side
    2,076.28x = 3,894,481.76
  5. Step 5: Solve for x
    x = 3,894,481.76/2,076.28
  6. Step 6: Final answer
    x = 1,875.70

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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.