Home / 1,483.11-2,225.08-443.15

Finding the Fourth Proportional to 1,483.11, 2,225.08 and 443.15

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Solution

The fourth proportional to 1,483.11, 2,225.08 and 443.15 is: 664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.11 : 2,225.08 = 443.15 : x
  2. Step 2: Convert to fraction form
    1,483.11/2,225.08 = 443.15/x
  3. Step 3: Cross multiply
    1,483.11x = 2,225.08 × 443.15
  4. Step 4: Simplify right side
    1,483.11x = 986,044.20
  5. Step 5: Solve for x
    x = 986,044.20/1,483.11
  6. Step 6: Final answer
    x = 664.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.