Home / 1,494.26-2,062.06-831.08

Finding the Fourth Proportional to 1,494.26, 2,062.06 and 831.08

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Solution

The fourth proportional to 1,494.26, 2,062.06 and 831.08 is: 1,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.26 : 2,062.06 = 831.08 : x
  2. Step 2: Convert to fraction form
    1,494.26/2,062.06 = 831.08/x
  3. Step 3: Cross multiply
    1,494.26x = 2,062.06 × 831.08
  4. Step 4: Simplify right side
    1,494.26x = 1,713,724.44
  5. Step 5: Solve for x
    x = 1,713,724.44/1,494.26
  6. Step 6: Final answer
    x = 1,146.88

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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.