Home / 3,981.45-5,499.03-2,652.84

Finding the Fourth Proportional to 3,981.45, 5,499.03 and 2,652.84

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Solution

The fourth proportional to 3,981.45, 5,499.03 and 2,652.84 is: 3,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.45 : 5,499.03 = 2,652.84 : x
  2. Step 2: Convert to fraction form
    3,981.45/5,499.03 = 2,652.84/x
  3. Step 3: Cross multiply
    3,981.45x = 5,499.03 × 2,652.84
  4. Step 4: Simplify right side
    3,981.45x = 14,588,046.75
  5. Step 5: Solve for x
    x = 14,588,046.75/3,981.45
  6. Step 6: Final answer
    x = 3,664.00

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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.