Home / 3,274.88-4,519.28-1,948.55

Finding the Fourth Proportional to 3,274.88, 4,519.28 and 1,948.55

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Solution

The fourth proportional to 3,274.88, 4,519.28 and 1,948.55 is: 2,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.88 : 4,519.28 = 1,948.55 : x
  2. Step 2: Convert to fraction form
    3,274.88/4,519.28 = 1,948.55/x
  3. Step 3: Cross multiply
    3,274.88x = 4,519.28 × 1,948.55
  4. Step 4: Simplify right side
    3,274.88x = 8,806,025.32
  5. Step 5: Solve for x
    x = 8,806,025.32/3,274.88
  6. Step 6: Final answer
    x = 2,688.97

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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.