Home / 2,076.76-2,862.30-1,551.88

Finding the Fourth Proportional to 2,076.76, 2,862.30 and 1,551.88

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Solution

The fourth proportional to 2,076.76, 2,862.30 and 1,551.88 is: 2,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.76 : 2,862.30 = 1,551.88 : x
  2. Step 2: Convert to fraction form
    2,076.76/2,862.30 = 1,551.88/x
  3. Step 3: Cross multiply
    2,076.76x = 2,862.30 × 1,551.88
  4. Step 4: Simplify right side
    2,076.76x = 4,441,946.12
  5. Step 5: Solve for x
    x = 4,441,946.12/2,076.76
  6. Step 6: Final answer
    x = 2,138.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.