Home / 2,763.36-4,140.72-2,219.04

Finding the Fourth Proportional to 2,763.36, 4,140.72 and 2,219.04

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Solution

The fourth proportional to 2,763.36, 4,140.72 and 2,219.04 is: 3,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.36 : 4,140.72 = 2,219.04 : x
  2. Step 2: Convert to fraction form
    2,763.36/4,140.72 = 2,219.04/x
  3. Step 3: Cross multiply
    2,763.36x = 4,140.72 × 2,219.04
  4. Step 4: Simplify right side
    2,763.36x = 9,188,423.31
  5. Step 5: Solve for x
    x = 9,188,423.31/2,763.36
  6. Step 6: Final answer
    x = 3,325.09

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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.