Home / 3,981.06-5,492.97-2,409.12

Finding the Fourth Proportional to 3,981.06, 5,492.97 and 2,409.12

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Solution

The fourth proportional to 3,981.06, 5,492.97 and 2,409.12 is: 3,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.06 : 5,492.97 = 2,409.12 : x
  2. Step 2: Convert to fraction form
    3,981.06/5,492.97 = 2,409.12/x
  3. Step 3: Cross multiply
    3,981.06x = 5,492.97 × 2,409.12
  4. Step 4: Simplify right side
    3,981.06x = 13,233,223.89
  5. Step 5: Solve for x
    x = 13,233,223.89/3,981.06
  6. Step 6: Final answer
    x = 3,324.05

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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.