Home / 1,470.22-2,193.97-1,306.60

Finding the Fourth Proportional to 1,470.22, 2,193.97 and 1,306.60

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Solution

The fourth proportional to 1,470.22, 2,193.97 and 1,306.60 is: 1,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.22 : 2,193.97 = 1,306.60 : x
  2. Step 2: Convert to fraction form
    1,470.22/2,193.97 = 1,306.60/x
  3. Step 3: Cross multiply
    1,470.22x = 2,193.97 × 1,306.60
  4. Step 4: Simplify right side
    1,470.22x = 2,866,634.67
  5. Step 5: Solve for x
    x = 2,866,634.67/1,470.22
  6. Step 6: Final answer
    x = 1,949.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.