Home / 3,441.62-5,150.12-2,980.98

Finding the Fourth Proportional to 3,441.62, 5,150.12 and 2,980.98

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Solution

The fourth proportional to 3,441.62, 5,150.12 and 2,980.98 is: 4,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.62 : 5,150.12 = 2,980.98 : x
  2. Step 2: Convert to fraction form
    3,441.62/5,150.12 = 2,980.98/x
  3. Step 3: Cross multiply
    3,441.62x = 5,150.12 × 2,980.98
  4. Step 4: Simplify right side
    3,441.62x = 15,352,389.81
  5. Step 5: Solve for x
    x = 15,352,389.81/3,441.62
  6. Step 6: Final answer
    x = 4,460.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.