Home / 1,694.71-2,338.70-948.67

Finding the Fourth Proportional to 1,694.71, 2,338.70 and 948.67

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Solution

The fourth proportional to 1,694.71, 2,338.70 and 948.67 is: 1,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.71 : 2,338.70 = 948.67 : x
  2. Step 2: Convert to fraction form
    1,694.71/2,338.70 = 948.67/x
  3. Step 3: Cross multiply
    1,694.71x = 2,338.70 × 948.67
  4. Step 4: Simplify right side
    1,694.71x = 2,218,659.82
  5. Step 5: Solve for x
    x = 2,218,659.82/1,694.71
  6. Step 6: Final answer
    x = 1,309.17

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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.