Home / 1,694.46-2,338.34-948.45

Finding the Fourth Proportional to 1,694.46, 2,338.34 and 948.45

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Solution

The fourth proportional to 1,694.46, 2,338.34 and 948.45 is: 1,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.46 : 2,338.34 = 948.45 : x
  2. Step 2: Convert to fraction form
    1,694.46/2,338.34 = 948.45/x
  3. Step 3: Cross multiply
    1,694.46x = 2,338.34 × 948.45
  4. Step 4: Simplify right side
    1,694.46x = 2,217,793.83
  5. Step 5: Solve for x
    x = 2,217,793.83/1,694.46
  6. Step 6: Final answer
    x = 1,308.85

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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.