Home / 2,001.87-2,763.09-1,339.41

Finding the Fourth Proportional to 2,001.87, 2,763.09 and 1,339.41

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Solution

The fourth proportional to 2,001.87, 2,763.09 and 1,339.41 is: 1,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.87 : 2,763.09 = 1,339.41 : x
  2. Step 2: Convert to fraction form
    2,001.87/2,763.09 = 1,339.41/x
  3. Step 3: Cross multiply
    2,001.87x = 2,763.09 × 1,339.41
  4. Step 4: Simplify right side
    2,001.87x = 3,700,910.38
  5. Step 5: Solve for x
    x = 3,700,910.38/2,001.87
  6. Step 6: Final answer
    x = 1,848.73

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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.