Home / 2,047.49-2,825.45-1,208.22

Finding the Fourth Proportional to 2,047.49, 2,825.45 and 1,208.22

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Solution

The fourth proportional to 2,047.49, 2,825.45 and 1,208.22 is: 1,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.49 : 2,825.45 = 1,208.22 : x
  2. Step 2: Convert to fraction form
    2,047.49/2,825.45 = 1,208.22/x
  3. Step 3: Cross multiply
    2,047.49x = 2,825.45 × 1,208.22
  4. Step 4: Simplify right side
    2,047.49x = 3,413,759.16
  5. Step 5: Solve for x
    x = 3,413,759.16/2,047.49
  6. Step 6: Final answer
    x = 1,667.29

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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.