Home / 1,694.45-2,338.37-948.32

Finding the Fourth Proportional to 1,694.45, 2,338.37 and 948.32

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Solution

The fourth proportional to 1,694.45, 2,338.37 and 948.32 is: 1,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.45 : 2,338.37 = 948.32 : x
  2. Step 2: Convert to fraction form
    1,694.45/2,338.37 = 948.32/x
  3. Step 3: Cross multiply
    1,694.45x = 2,338.37 × 948.32
  4. Step 4: Simplify right side
    1,694.45x = 2,217,523.04
  5. Step 5: Solve for x
    x = 2,217,523.04/1,694.45
  6. Step 6: Final answer
    x = 1,308.70

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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.