Home / 3,369.12-4,648.56-2,190.24

Finding the Fourth Proportional to 3,369.12, 4,648.56 and 2,190.24

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Solution

The fourth proportional to 3,369.12, 4,648.56 and 2,190.24 is: 3,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.12 : 4,648.56 = 2,190.24 : x
  2. Step 2: Convert to fraction form
    3,369.12/4,648.56 = 2,190.24/x
  3. Step 3: Cross multiply
    3,369.12x = 4,648.56 × 2,190.24
  4. Step 4: Simplify right side
    3,369.12x = 10,181,462.05
  5. Step 5: Solve for x
    x = 10,181,462.05/3,369.12
  6. Step 6: Final answer
    x = 3,021.99

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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.