Home / 2,224.51-3,069.81-1,229.77

Finding the Fourth Proportional to 2,224.51, 3,069.81 and 1,229.77

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Solution

The fourth proportional to 2,224.51, 3,069.81 and 1,229.77 is: 1,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.51 : 3,069.81 = 1,229.77 : x
  2. Step 2: Convert to fraction form
    2,224.51/3,069.81 = 1,229.77/x
  3. Step 3: Cross multiply
    2,224.51x = 3,069.81 × 1,229.77
  4. Step 4: Simplify right side
    2,224.51x = 3,775,160.24
  5. Step 5: Solve for x
    x = 3,775,160.24/2,224.51
  6. Step 6: Final answer
    x = 1,697.07

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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.