Home / 1,486.03-2,229.01-512.11

Finding the Fourth Proportional to 1,486.03, 2,229.01 and 512.11

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Solution

The fourth proportional to 1,486.03, 2,229.01 and 512.11 is: 768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.03 : 2,229.01 = 512.11 : x
  2. Step 2: Convert to fraction form
    1,486.03/2,229.01 = 512.11/x
  3. Step 3: Cross multiply
    1,486.03x = 2,229.01 × 512.11
  4. Step 4: Simplify right side
    1,486.03x = 1,141,484.61
  5. Step 5: Solve for x
    x = 1,141,484.61/1,486.03
  6. Step 6: Final answer
    x = 768.15

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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.