Home / 1,369.66-2,042.30-1,352.65

Finding the Fourth Proportional to 1,369.66, 2,042.30 and 1,352.65

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Solution

The fourth proportional to 1,369.66, 2,042.30 and 1,352.65 is: 2,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.66 : 2,042.30 = 1,352.65 : x
  2. Step 2: Convert to fraction form
    1,369.66/2,042.30 = 1,352.65/x
  3. Step 3: Cross multiply
    1,369.66x = 2,042.30 × 1,352.65
  4. Step 4: Simplify right side
    1,369.66x = 2,762,517.10
  5. Step 5: Solve for x
    x = 2,762,517.10/1,369.66
  6. Step 6: Final answer
    x = 2,016.94

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1.5x scale

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.