Home / 2,851.85-4,275.92-1,874.99

Finding the Fourth Proportional to 2,851.85, 4,275.92 and 1,874.99

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Solution

The fourth proportional to 2,851.85, 4,275.92 and 1,874.99 is: 2,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.85 : 4,275.92 = 1,874.99 : x
  2. Step 2: Convert to fraction form
    2,851.85/4,275.92 = 1,874.99/x
  3. Step 3: Cross multiply
    2,851.85x = 4,275.92 × 1,874.99
  4. Step 4: Simplify right side
    2,851.85x = 8,017,276.49
  5. Step 5: Solve for x
    x = 8,017,276.49/2,851.85
  6. Step 6: Final answer
    x = 2,811.26

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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.