Home / 2,912.14-4,362.74-2,259.69

Finding the Fourth Proportional to 2,912.14, 4,362.74 and 2,259.69

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Solution

The fourth proportional to 2,912.14, 4,362.74 and 2,259.69 is: 3,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.14 : 4,362.74 = 2,259.69 : x
  2. Step 2: Convert to fraction form
    2,912.14/4,362.74 = 2,259.69/x
  3. Step 3: Cross multiply
    2,912.14x = 4,362.74 × 2,259.69
  4. Step 4: Simplify right side
    2,912.14x = 9,858,439.95
  5. Step 5: Solve for x
    x = 9,858,439.95/2,912.14
  6. Step 6: Final answer
    x = 3,385.29

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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.