Home / 3,553.81-4,902.73-2,137.12

Finding the Fourth Proportional to 3,553.81, 4,902.73 and 2,137.12

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Solution

The fourth proportional to 3,553.81, 4,902.73 and 2,137.12 is: 2,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.81 : 4,902.73 = 2,137.12 : x
  2. Step 2: Convert to fraction form
    3,553.81/4,902.73 = 2,137.12/x
  3. Step 3: Cross multiply
    3,553.81x = 4,902.73 × 2,137.12
  4. Step 4: Simplify right side
    3,553.81x = 10,477,722.34
  5. Step 5: Solve for x
    x = 10,477,722.34/3,553.81
  6. Step 6: Final answer
    x = 2,948.31

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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.