Home / 1,631.33-2,251.06-1,001.89

Finding the Fourth Proportional to 1,631.33, 2,251.06 and 1,001.89

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Solution

The fourth proportional to 1,631.33, 2,251.06 and 1,001.89 is: 1,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.33 : 2,251.06 = 1,001.89 : x
  2. Step 2: Convert to fraction form
    1,631.33/2,251.06 = 1,001.89/x
  3. Step 3: Cross multiply
    1,631.33x = 2,251.06 × 1,001.89
  4. Step 4: Simplify right side
    1,631.33x = 2,255,312.01
  5. Step 5: Solve for x
    x = 2,255,312.01/1,631.33
  6. Step 6: Final answer
    x = 1,382.50

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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.