Home / 3,553.27-4,903.32-1,981.06

Finding the Fourth Proportional to 3,553.27, 4,903.32 and 1,981.06

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Solution

The fourth proportional to 3,553.27, 4,903.32 and 1,981.06 is: 2,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.27 : 4,903.32 = 1,981.06 : x
  2. Step 2: Convert to fraction form
    3,553.27/4,903.32 = 1,981.06/x
  3. Step 3: Cross multiply
    3,553.27x = 4,903.32 × 1,981.06
  4. Step 4: Simplify right side
    3,553.27x = 9,713,771.12
  5. Step 5: Solve for x
    x = 9,713,771.12/3,553.27
  6. Step 6: Final answer
    x = 2,733.76

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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.