Home / 2,851.35-4,275.17-1,874.49

Finding the Fourth Proportional to 2,851.35, 4,275.17 and 1,874.49

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Solution

The fourth proportional to 2,851.35, 4,275.17 and 1,874.49 is: 2,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.35 : 4,275.17 = 1,874.49 : x
  2. Step 2: Convert to fraction form
    2,851.35/4,275.17 = 1,874.49/x
  3. Step 3: Cross multiply
    2,851.35x = 4,275.17 × 1,874.49
  4. Step 4: Simplify right side
    2,851.35x = 8,013,763.41
  5. Step 5: Solve for x
    x = 8,013,763.41/2,851.35
  6. Step 6: Final answer
    x = 2,810.52

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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.