Home / 3,578.63-4,927.47-3,179.58

Finding the Fourth Proportional to 3,578.63, 4,927.47 and 3,179.58

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Solution

The fourth proportional to 3,578.63, 4,927.47 and 3,179.58 is: 4,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.63 : 4,927.47 = 3,179.58 : x
  2. Step 2: Convert to fraction form
    3,578.63/4,927.47 = 3,179.58/x
  3. Step 3: Cross multiply
    3,578.63x = 4,927.47 × 3,179.58
  4. Step 4: Simplify right side
    3,578.63x = 15,667,285.06
  5. Step 5: Solve for x
    x = 15,667,285.06/3,578.63
  6. Step 6: Final answer
    x = 4,378.02

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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.