Home / 3,558.87-4,900.49-3,225.20

Finding the Fourth Proportional to 3,558.87, 4,900.49 and 3,225.20

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Solution

The fourth proportional to 3,558.87, 4,900.49 and 3,225.20 is: 4,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.87 : 4,900.49 = 3,225.20 : x
  2. Step 2: Convert to fraction form
    3,558.87/4,900.49 = 3,225.20/x
  3. Step 3: Cross multiply
    3,558.87x = 4,900.49 × 3,225.20
  4. Step 4: Simplify right side
    3,558.87x = 15,805,019.72
  5. Step 5: Solve for x
    x = 15,805,019.72/3,558.87
  6. Step 6: Final answer
    x = 4,441.02

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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.