Home / 1,694.67-2,338.83-948.66

Finding the Fourth Proportional to 1,694.67, 2,338.83 and 948.66

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Solution

The fourth proportional to 1,694.67, 2,338.83 and 948.66 is: 1,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.67 : 2,338.83 = 948.66 : x
  2. Step 2: Convert to fraction form
    1,694.67/2,338.83 = 948.66/x
  3. Step 3: Cross multiply
    1,694.67x = 2,338.83 × 948.66
  4. Step 4: Simplify right side
    1,694.67x = 2,218,754.47
  5. Step 5: Solve for x
    x = 2,218,754.47/1,694.67
  6. Step 6: Final answer
    x = 1,309.25

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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.