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Finding the Fourth Proportional to 1,479.67, 2,213.02 and 1,207.51

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Solution

The fourth proportional to 1,479.67, 2,213.02 and 1,207.51 is: 1,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.67 : 2,213.02 = 1,207.51 : x
  2. Step 2: Convert to fraction form
    1,479.67/2,213.02 = 1,207.51/x
  3. Step 3: Cross multiply
    1,479.67x = 2,213.02 × 1,207.51
  4. Step 4: Simplify right side
    1,479.67x = 2,672,243.78
  5. Step 5: Solve for x
    x = 2,672,243.78/1,479.67
  6. Step 6: Final answer
    x = 1,805.97

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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.