Home / 3,219.46-4,443.06-1,803.26

Finding the Fourth Proportional to 3,219.46, 4,443.06 and 1,803.26

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Solution

The fourth proportional to 3,219.46, 4,443.06 and 1,803.26 is: 2,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.46 : 4,443.06 = 1,803.26 : x
  2. Step 2: Convert to fraction form
    3,219.46/4,443.06 = 1,803.26/x
  3. Step 3: Cross multiply
    3,219.46x = 4,443.06 × 1,803.26
  4. Step 4: Simplify right side
    3,219.46x = 8,011,992.38
  5. Step 5: Solve for x
    x = 8,011,992.38/3,219.46
  6. Step 6: Final answer
    x = 2,488.62

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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.