Home / 3,325.78-4,588.41-1,998.46

Finding the Fourth Proportional to 3,325.78, 4,588.41 and 1,998.46

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Solution

The fourth proportional to 3,325.78, 4,588.41 and 1,998.46 is: 2,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.78 : 4,588.41 = 1,998.46 : x
  2. Step 2: Convert to fraction form
    3,325.78/4,588.41 = 1,998.46/x
  3. Step 3: Cross multiply
    3,325.78x = 4,588.41 × 1,998.46
  4. Step 4: Simplify right side
    3,325.78x = 9,169,753.85
  5. Step 5: Solve for x
    x = 9,169,753.85/3,325.78
  6. Step 6: Final answer
    x = 2,757.17

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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.