Home / 1,694.27-2,338.03-948.23

Finding the Fourth Proportional to 1,694.27, 2,338.03 and 948.23

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Solution

The fourth proportional to 1,694.27, 2,338.03 and 948.23 is: 1,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.27 : 2,338.03 = 948.23 : x
  2. Step 2: Convert to fraction form
    1,694.27/2,338.03 = 948.23/x
  3. Step 3: Cross multiply
    1,694.27x = 2,338.03 × 948.23
  4. Step 4: Simplify right side
    1,694.27x = 2,216,993.66
  5. Step 5: Solve for x
    x = 2,216,993.66/1,694.27
  6. Step 6: Final answer
    x = 1,308.53

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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.