Home / 1,479.32-2,230.20-1,399.94

Finding the Fourth Proportional to 1,479.32, 2,230.20 and 1,399.94

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Solution

The fourth proportional to 1,479.32, 2,230.20 and 1,399.94 is: 2,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.32 : 2,230.20 = 1,399.94 : x
  2. Step 2: Convert to fraction form
    1,479.32/2,230.20 = 1,399.94/x
  3. Step 3: Cross multiply
    1,479.32x = 2,230.20 × 1,399.94
  4. Step 4: Simplify right side
    1,479.32x = 3,122,135.04
  5. Step 5: Solve for x
    x = 3,122,135.04/1,479.32
  6. Step 6: Final answer
    x = 2,110.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.