Home / 3,418.20-4,713.84-2,827.62

Finding the Fourth Proportional to 3,418.20, 4,713.84 and 2,827.62

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Solution

The fourth proportional to 3,418.20, 4,713.84 and 2,827.62 is: 3,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.20 : 4,713.84 = 2,827.62 : x
  2. Step 2: Convert to fraction form
    3,418.20/4,713.84 = 2,827.62/x
  3. Step 3: Cross multiply
    3,418.20x = 4,713.84 × 2,827.62
  4. Step 4: Simplify right side
    3,418.20x = 13,328,948.26
  5. Step 5: Solve for x
    x = 13,328,948.26/3,418.20
  6. Step 6: Final answer
    x = 3,899.41

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1.5x scale

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.