Home / 3,275.54-4,519.08-1,948.76

Finding the Fourth Proportional to 3,275.54, 4,519.08 and 1,948.76

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Solution

The fourth proportional to 3,275.54, 4,519.08 and 1,948.76 is: 2,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.54 : 4,519.08 = 1,948.76 : x
  2. Step 2: Convert to fraction form
    3,275.54/4,519.08 = 1,948.76/x
  3. Step 3: Cross multiply
    3,275.54x = 4,519.08 × 1,948.76
  4. Step 4: Simplify right side
    3,275.54x = 8,806,579.75
  5. Step 5: Solve for x
    x = 8,806,579.75/3,275.54
  6. Step 6: Final answer
    x = 2,688.59

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Half scale
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Double scale
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Similar ratio
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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.