Home / 3,481.32-4,803.24-1,988.76

Finding the Fourth Proportional to 3,481.32, 4,803.24 and 1,988.76

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Solution

The fourth proportional to 3,481.32, 4,803.24 and 1,988.76 is: 2,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.32 : 4,803.24 = 1,988.76 : x
  2. Step 2: Convert to fraction form
    3,481.32/4,803.24 = 1,988.76/x
  3. Step 3: Cross multiply
    3,481.32x = 4,803.24 × 1,988.76
  4. Step 4: Simplify right side
    3,481.32x = 9,552,491.58
  5. Step 5: Solve for x
    x = 9,552,491.58/3,481.32
  6. Step 6: Final answer
    x = 2,743.93

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Double scale
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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.