Home / 1,767.42-2,651.13-1,479.06

Finding the Fourth Proportional to 1,767.42, 2,651.13 and 1,479.06

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Solution

The fourth proportional to 1,767.42, 2,651.13 and 1,479.06 is: 2,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.42 : 2,651.13 = 1,479.06 : x
  2. Step 2: Convert to fraction form
    1,767.42/2,651.13 = 1,479.06/x
  3. Step 3: Cross multiply
    1,767.42x = 2,651.13 × 1,479.06
  4. Step 4: Simplify right side
    1,767.42x = 3,921,180.34
  5. Step 5: Solve for x
    x = 3,921,180.34/1,767.42
  6. Step 6: Final answer
    x = 2,218.59

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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.