Home / 3,325.02-4,587.75-1,998.78

Finding the Fourth Proportional to 3,325.02, 4,587.75 and 1,998.78

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Solution

The fourth proportional to 3,325.02, 4,587.75 and 1,998.78 is: 2,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.02 : 4,587.75 = 1,998.78 : x
  2. Step 2: Convert to fraction form
    3,325.02/4,587.75 = 1,998.78/x
  3. Step 3: Cross multiply
    3,325.02x = 4,587.75 × 1,998.78
  4. Step 4: Simplify right side
    3,325.02x = 9,169,902.95
  5. Step 5: Solve for x
    x = 9,169,902.95/3,325.02
  6. Step 6: Final answer
    x = 2,757.85

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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.