Home / 3,291.75-4,544.69-2,114.87

Finding the Fourth Proportional to 3,291.75, 4,544.69 and 2,114.87

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Solution

The fourth proportional to 3,291.75, 4,544.69 and 2,114.87 is: 2,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.75 : 4,544.69 = 2,114.87 : x
  2. Step 2: Convert to fraction form
    3,291.75/4,544.69 = 2,114.87/x
  3. Step 3: Cross multiply
    3,291.75x = 4,544.69 × 2,114.87
  4. Step 4: Simplify right side
    3,291.75x = 9,611,395.24
  5. Step 5: Solve for x
    x = 9,611,395.24/3,291.75
  6. Step 6: Final answer
    x = 2,919.84

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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.