Home / 3,299.48-4,921.41-3,069.84

Finding the Fourth Proportional to 3,299.48, 4,921.41 and 3,069.84

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Solution

The fourth proportional to 3,299.48, 4,921.41 and 3,069.84 is: 4,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.48 : 4,921.41 = 3,069.84 : x
  2. Step 2: Convert to fraction form
    3,299.48/4,921.41 = 3,069.84/x
  3. Step 3: Cross multiply
    3,299.48x = 4,921.41 × 3,069.84
  4. Step 4: Simplify right side
    3,299.48x = 15,107,941.27
  5. Step 5: Solve for x
    x = 15,107,941.27/3,299.48
  6. Step 6: Final answer
    x = 4,578.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.