Home / 1,034.10-1,426.07-680.27

Finding the Fourth Proportional to 1,034.10, 1,426.07 and 680.27

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Solution

The fourth proportional to 1,034.10, 1,426.07 and 680.27 is: 938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.10 : 1,426.07 = 680.27 : x
  2. Step 2: Convert to fraction form
    1,034.10/1,426.07 = 680.27/x
  3. Step 3: Cross multiply
    1,034.10x = 1,426.07 × 680.27
  4. Step 4: Simplify right side
    1,034.10x = 970,107.21
  5. Step 5: Solve for x
    x = 970,107.21/1,034.10
  6. Step 6: Final answer
    x = 938.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.