Home / 3,275.66-4,520.88-1,949.34

Finding the Fourth Proportional to 3,275.66, 4,520.88 and 1,949.34

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Solution

The fourth proportional to 3,275.66, 4,520.88 and 1,949.34 is: 2,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.66 : 4,520.88 = 1,949.34 : x
  2. Step 2: Convert to fraction form
    3,275.66/4,520.88 = 1,949.34/x
  3. Step 3: Cross multiply
    3,275.66x = 4,520.88 × 1,949.34
  4. Step 4: Simplify right side
    3,275.66x = 8,812,732.22
  5. Step 5: Solve for x
    x = 8,812,732.22/3,275.66
  6. Step 6: Final answer
    x = 2,690.37

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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.