Home / 2,003.18-3,001.70-1,377.68

Finding the Fourth Proportional to 2,003.18, 3,001.70 and 1,377.68

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Solution

The fourth proportional to 2,003.18, 3,001.70 and 1,377.68 is: 2,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.18 : 3,001.70 = 1,377.68 : x
  2. Step 2: Convert to fraction form
    2,003.18/3,001.70 = 1,377.68/x
  3. Step 3: Cross multiply
    2,003.18x = 3,001.70 × 1,377.68
  4. Step 4: Simplify right side
    2,003.18x = 4,135,382.06
  5. Step 5: Solve for x
    x = 4,135,382.06/2,003.18
  6. Step 6: Final answer
    x = 2,064.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.