Home / 3,034.65-4,550.12-1,391.70

Finding the Fourth Proportional to 3,034.65, 4,550.12 and 1,391.70

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Solution

The fourth proportional to 3,034.65, 4,550.12 and 1,391.70 is: 2,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.65 : 4,550.12 = 1,391.70 : x
  2. Step 2: Convert to fraction form
    3,034.65/4,550.12 = 1,391.70/x
  3. Step 3: Cross multiply
    3,034.65x = 4,550.12 × 1,391.70
  4. Step 4: Simplify right side
    3,034.65x = 6,332,402.00
  5. Step 5: Solve for x
    x = 6,332,402.00/3,034.65
  6. Step 6: Final answer
    x = 2,086.70

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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.