Home / 3,578.15-4,937.82-2,087.07

Finding the Fourth Proportional to 3,578.15, 4,937.82 and 2,087.07

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Solution

The fourth proportional to 3,578.15, 4,937.82 and 2,087.07 is: 2,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.15 : 4,937.82 = 2,087.07 : x
  2. Step 2: Convert to fraction form
    3,578.15/4,937.82 = 2,087.07/x
  3. Step 3: Cross multiply
    3,578.15x = 4,937.82 × 2,087.07
  4. Step 4: Simplify right side
    3,578.15x = 10,305,575.99
  5. Step 5: Solve for x
    x = 10,305,575.99/3,578.15
  6. Step 6: Final answer
    x = 2,880.14

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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.