Home / 3,580.19-4,940.39-2,087.92

Finding the Fourth Proportional to 3,580.19, 4,940.39 and 2,087.92

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Solution

The fourth proportional to 3,580.19, 4,940.39 and 2,087.92 is: 2,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.19 : 4,940.39 = 2,087.92 : x
  2. Step 2: Convert to fraction form
    3,580.19/4,940.39 = 2,087.92/x
  3. Step 3: Cross multiply
    3,580.19x = 4,940.39 × 2,087.92
  4. Step 4: Simplify right side
    3,580.19x = 10,315,103.95
  5. Step 5: Solve for x
    x = 10,315,103.95/3,580.19
  6. Step 6: Final answer
    x = 2,881.17

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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.