Home / 3,283.21-4,529.12-2,149.53

Finding the Fourth Proportional to 3,283.21, 4,529.12 and 2,149.53

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Solution

The fourth proportional to 3,283.21, 4,529.12 and 2,149.53 is: 2,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.21 : 4,529.12 = 2,149.53 : x
  2. Step 2: Convert to fraction form
    3,283.21/4,529.12 = 2,149.53/x
  3. Step 3: Cross multiply
    3,283.21x = 4,529.12 × 2,149.53
  4. Step 4: Simplify right side
    3,283.21x = 9,735,479.31
  5. Step 5: Solve for x
    x = 9,735,479.31/3,283.21
  6. Step 6: Final answer
    x = 2,965.23

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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.