Home / 3,578.83-4,937.78-2,319.94

Finding the Fourth Proportional to 3,578.83, 4,937.78 and 2,319.94

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Solution

The fourth proportional to 3,578.83, 4,937.78 and 2,319.94 is: 3,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.83 : 4,937.78 = 2,319.94 : x
  2. Step 2: Convert to fraction form
    3,578.83/4,937.78 = 2,319.94/x
  3. Step 3: Cross multiply
    3,578.83x = 4,937.78 × 2,319.94
  4. Step 4: Simplify right side
    3,578.83x = 11,455,329.39
  5. Step 5: Solve for x
    x = 11,455,329.39/3,578.83
  6. Step 6: Final answer
    x = 3,200.86

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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.