Home / 1,486.06-2,229.85-609.21

Finding the Fourth Proportional to 1,486.06, 2,229.85 and 609.21

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Solution

The fourth proportional to 1,486.06, 2,229.85 and 609.21 is: 914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.06 : 2,229.85 = 609.21 : x
  2. Step 2: Convert to fraction form
    1,486.06/2,229.85 = 609.21/x
  3. Step 3: Cross multiply
    1,486.06x = 2,229.85 × 609.21
  4. Step 4: Simplify right side
    1,486.06x = 1,358,446.92
  5. Step 5: Solve for x
    x = 1,358,446.92/1,486.06
  6. Step 6: Final answer
    x = 914.13

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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.