Home / 1,606.92-2,217.57-943.79

Finding the Fourth Proportional to 1,606.92, 2,217.57 and 943.79

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Solution

The fourth proportional to 1,606.92, 2,217.57 and 943.79 is: 1,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.92 : 2,217.57 = 943.79 : x
  2. Step 2: Convert to fraction form
    1,606.92/2,217.57 = 943.79/x
  3. Step 3: Cross multiply
    1,606.92x = 2,217.57 × 943.79
  4. Step 4: Simplify right side
    1,606.92x = 2,092,904.58
  5. Step 5: Solve for x
    x = 2,092,904.58/1,606.92
  6. Step 6: Final answer
    x = 1,302.43

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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.