Home / 2,224.82-3,069.99-1,230.11

Finding the Fourth Proportional to 2,224.82, 3,069.99 and 1,230.11

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Solution

The fourth proportional to 2,224.82, 3,069.99 and 1,230.11 is: 1,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.82 : 3,069.99 = 1,230.11 : x
  2. Step 2: Convert to fraction form
    2,224.82/3,069.99 = 1,230.11/x
  3. Step 3: Cross multiply
    2,224.82x = 3,069.99 × 1,230.11
  4. Step 4: Simplify right side
    2,224.82x = 3,776,410.05
  5. Step 5: Solve for x
    x = 3,776,410.05/2,224.82
  6. Step 6: Final answer
    x = 1,697.40

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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.