Home / 2,001.23-2,758.82-1,553.70

Finding the Fourth Proportional to 2,001.23, 2,758.82 and 1,553.70

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Solution

The fourth proportional to 2,001.23, 2,758.82 and 1,553.70 is: 2,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.23 : 2,758.82 = 1,553.70 : x
  2. Step 2: Convert to fraction form
    2,001.23/2,758.82 = 1,553.70/x
  3. Step 3: Cross multiply
    2,001.23x = 2,758.82 × 1,553.70
  4. Step 4: Simplify right side
    2,001.23x = 4,286,378.63
  5. Step 5: Solve for x
    x = 4,286,378.63/2,001.23
  6. Step 6: Final answer
    x = 2,141.87

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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.