Home / 2,851.97-4,276.11-1,875.11

Finding the Fourth Proportional to 2,851.97, 4,276.11 and 1,875.11

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Solution

The fourth proportional to 2,851.97, 4,276.11 and 1,875.11 is: 2,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.97 : 4,276.11 = 1,875.11 : x
  2. Step 2: Convert to fraction form
    2,851.97/4,276.11 = 1,875.11/x
  3. Step 3: Cross multiply
    2,851.97x = 4,276.11 × 1,875.11
  4. Step 4: Simplify right side
    2,851.97x = 8,018,176.62
  5. Step 5: Solve for x
    x = 8,018,176.62/2,851.97
  6. Step 6: Final answer
    x = 2,811.45

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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.