Home / 1,479.90-2,214.45-1,350.30

Finding the Fourth Proportional to 1,479.90, 2,214.45 and 1,350.30

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Solution

The fourth proportional to 1,479.90, 2,214.45 and 1,350.30 is: 2,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.90 : 2,214.45 = 1,350.30 : x
  2. Step 2: Convert to fraction form
    1,479.90/2,214.45 = 1,350.30/x
  3. Step 3: Cross multiply
    1,479.90x = 2,214.45 × 1,350.30
  4. Step 4: Simplify right side
    1,479.90x = 2,990,171.84
  5. Step 5: Solve for x
    x = 2,990,171.84/1,479.90
  6. Step 6: Final answer
    x = 2,020.52

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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.