Home / 2,190.24-3,264.30-2,097.90

Finding the Fourth Proportional to 2,190.24, 3,264.30 and 2,097.90

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Solution

The fourth proportional to 2,190.24, 3,264.30 and 2,097.90 is: 3,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.24 : 3,264.30 = 2,097.90 : x
  2. Step 2: Convert to fraction form
    2,190.24/3,264.30 = 2,097.90/x
  3. Step 3: Cross multiply
    2,190.24x = 3,264.30 × 2,097.90
  4. Step 4: Simplify right side
    2,190.24x = 6,848,174.97
  5. Step 5: Solve for x
    x = 6,848,174.97/2,190.24
  6. Step 6: Final answer
    x = 3,126.68

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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.