Home / 3,160.84-4,361.01-2,040.75

Finding the Fourth Proportional to 3,160.84, 4,361.01 and 2,040.75

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Solution

The fourth proportional to 3,160.84, 4,361.01 and 2,040.75 is: 2,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.84 : 4,361.01 = 2,040.75 : x
  2. Step 2: Convert to fraction form
    3,160.84/4,361.01 = 2,040.75/x
  3. Step 3: Cross multiply
    3,160.84x = 4,361.01 × 2,040.75
  4. Step 4: Simplify right side
    3,160.84x = 8,899,747.16
  5. Step 5: Solve for x
    x = 8,899,747.16/3,160.84
  6. Step 6: Final answer
    x = 2,815.63

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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.