Home / 3,649.44-5,439.49-3,441.87

Finding the Fourth Proportional to 3,649.44, 5,439.49 and 3,441.87

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Solution

The fourth proportional to 3,649.44, 5,439.49 and 3,441.87 is: 5,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.44 : 5,439.49 = 3,441.87 : x
  2. Step 2: Convert to fraction form
    3,649.44/5,439.49 = 3,441.87/x
  3. Step 3: Cross multiply
    3,649.44x = 5,439.49 × 3,441.87
  4. Step 4: Simplify right side
    3,649.44x = 18,722,017.45
  5. Step 5: Solve for x
    x = 18,722,017.45/3,649.44
  6. Step 6: Final answer
    x = 5,130.11

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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.