Home / 2,224.97-3,070.61-1,230.49

Finding the Fourth Proportional to 2,224.97, 3,070.61 and 1,230.49

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Solution

The fourth proportional to 2,224.97, 3,070.61 and 1,230.49 is: 1,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.97 : 3,070.61 = 1,230.49 : x
  2. Step 2: Convert to fraction form
    2,224.97/3,070.61 = 1,230.49/x
  3. Step 3: Cross multiply
    2,224.97x = 3,070.61 × 1,230.49
  4. Step 4: Simplify right side
    2,224.97x = 3,778,357.20
  5. Step 5: Solve for x
    x = 3,778,357.20/2,224.97
  6. Step 6: Final answer
    x = 1,698.16

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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.