Home / 3,275.20-4,519.69-1,839.53

Finding the Fourth Proportional to 3,275.20, 4,519.69 and 1,839.53

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Solution

The fourth proportional to 3,275.20, 4,519.69 and 1,839.53 is: 2,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.20 : 4,519.69 = 1,839.53 : x
  2. Step 2: Convert to fraction form
    3,275.20/4,519.69 = 1,839.53/x
  3. Step 3: Cross multiply
    3,275.20x = 4,519.69 × 1,839.53
  4. Step 4: Simplify right side
    3,275.20x = 8,314,082.75
  5. Step 5: Solve for x
    x = 8,314,082.75/3,275.20
  6. Step 6: Final answer
    x = 2,538.50

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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.