Home / 3,644.11-5,027.70-2,152.09

Finding the Fourth Proportional to 3,644.11, 5,027.70 and 2,152.09

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Solution

The fourth proportional to 3,644.11, 5,027.70 and 2,152.09 is: 2,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.11 : 5,027.70 = 2,152.09 : x
  2. Step 2: Convert to fraction form
    3,644.11/5,027.70 = 2,152.09/x
  3. Step 3: Cross multiply
    3,644.11x = 5,027.70 × 2,152.09
  4. Step 4: Simplify right side
    3,644.11x = 10,820,062.89
  5. Step 5: Solve for x
    x = 10,820,062.89/3,644.11
  6. Step 6: Final answer
    x = 2,969.19

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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.