Home / 2,443.19-3,365.90-1,998.50

Finding the Fourth Proportional to 2,443.19, 3,365.90 and 1,998.50

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Solution

The fourth proportional to 2,443.19, 3,365.90 and 1,998.50 is: 2,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.19 : 3,365.90 = 1,998.50 : x
  2. Step 2: Convert to fraction form
    2,443.19/3,365.90 = 1,998.50/x
  3. Step 3: Cross multiply
    2,443.19x = 3,365.90 × 1,998.50
  4. Step 4: Simplify right side
    2,443.19x = 6,726,724.33
  5. Step 5: Solve for x
    x = 6,726,724.33/2,443.19
  6. Step 6: Final answer
    x = 2,753.26

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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.