Home / 3,324.95-4,587.81-1,998.68

Finding the Fourth Proportional to 3,324.95, 4,587.81 and 1,998.68

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Solution

The fourth proportional to 3,324.95, 4,587.81 and 1,998.68 is: 2,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.95 : 4,587.81 = 1,998.68 : x
  2. Step 2: Convert to fraction form
    3,324.95/4,587.81 = 1,998.68/x
  3. Step 3: Cross multiply
    3,324.95x = 4,587.81 × 1,998.68
  4. Step 4: Simplify right side
    3,324.95x = 9,169,550.52
  5. Step 5: Solve for x
    x = 9,169,550.52/3,324.95
  6. Step 6: Final answer
    x = 2,757.80

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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.