Home / 3,040.53-4,560.39-1,286.22

Finding the Fourth Proportional to 3,040.53, 4,560.39 and 1,286.22

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Solution

The fourth proportional to 3,040.53, 4,560.39 and 1,286.22 is: 1,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.53 : 4,560.39 = 1,286.22 : x
  2. Step 2: Convert to fraction form
    3,040.53/4,560.39 = 1,286.22/x
  3. Step 3: Cross multiply
    3,040.53x = 4,560.39 × 1,286.22
  4. Step 4: Simplify right side
    3,040.53x = 5,865,664.83
  5. Step 5: Solve for x
    x = 5,865,664.83/3,040.53
  6. Step 6: Final answer
    x = 1,929.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.