Home / 2,149.07-2,965.66-1,204.79

Finding the Fourth Proportional to 2,149.07, 2,965.66 and 1,204.79

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Solution

The fourth proportional to 2,149.07, 2,965.66 and 1,204.79 is: 1,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.07 : 2,965.66 = 1,204.79 : x
  2. Step 2: Convert to fraction form
    2,149.07/2,965.66 = 1,204.79/x
  3. Step 3: Cross multiply
    2,149.07x = 2,965.66 × 1,204.79
  4. Step 4: Simplify right side
    2,149.07x = 3,572,990.62
  5. Step 5: Solve for x
    x = 3,572,990.62/2,149.07
  6. Step 6: Final answer
    x = 1,662.58

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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.