Home / 1,601.40-2,209.24-937.92

Finding the Fourth Proportional to 1,601.40, 2,209.24 and 937.92

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Solution

The fourth proportional to 1,601.40, 2,209.24 and 937.92 is: 1,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.40 : 2,209.24 = 937.92 : x
  2. Step 2: Convert to fraction form
    1,601.40/2,209.24 = 937.92/x
  3. Step 3: Cross multiply
    1,601.40x = 2,209.24 × 937.92
  4. Step 4: Simplify right side
    1,601.40x = 2,072,090.38
  5. Step 5: Solve for x
    x = 2,072,090.38/1,601.40
  6. Step 6: Final answer
    x = 1,293.92

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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.