Home / 3,553.22-4,903.73-1,960.18

Finding the Fourth Proportional to 3,553.22, 4,903.73 and 1,960.18

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Solution

The fourth proportional to 3,553.22, 4,903.73 and 1,960.18 is: 2,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.22 : 4,903.73 = 1,960.18 : x
  2. Step 2: Convert to fraction form
    3,553.22/4,903.73 = 1,960.18/x
  3. Step 3: Cross multiply
    3,553.22x = 4,903.73 × 1,960.18
  4. Step 4: Simplify right side
    3,553.22x = 9,612,168.95
  5. Step 5: Solve for x
    x = 9,612,168.95/3,553.22
  6. Step 6: Final answer
    x = 2,705.20

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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.