Home / 2,001.76-2,761.44-1,338.83

Finding the Fourth Proportional to 2,001.76, 2,761.44 and 1,338.83

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Solution

The fourth proportional to 2,001.76, 2,761.44 and 1,338.83 is: 1,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.76 : 2,761.44 = 1,338.83 : x
  2. Step 2: Convert to fraction form
    2,001.76/2,761.44 = 1,338.83/x
  3. Step 3: Cross multiply
    2,001.76x = 2,761.44 × 1,338.83
  4. Step 4: Simplify right side
    2,001.76x = 3,697,097.77
  5. Step 5: Solve for x
    x = 3,697,097.77/2,001.76
  6. Step 6: Final answer
    x = 1,846.92

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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.