Home / 2,190.88-3,265.16-2,064.48

Finding the Fourth Proportional to 2,190.88, 3,265.16 and 2,064.48

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Solution

The fourth proportional to 2,190.88, 3,265.16 and 2,064.48 is: 3,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.88 : 3,265.16 = 2,064.48 : x
  2. Step 2: Convert to fraction form
    2,190.88/3,265.16 = 2,064.48/x
  3. Step 3: Cross multiply
    2,190.88x = 3,265.16 × 2,064.48
  4. Step 4: Simplify right side
    2,190.88x = 6,740,857.52
  5. Step 5: Solve for x
    x = 6,740,857.52/2,190.88
  6. Step 6: Final answer
    x = 3,076.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.