Home / 2,147.49-2,963.58-1,203.12

Finding the Fourth Proportional to 2,147.49, 2,963.58 and 1,203.12

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Solution

The fourth proportional to 2,147.49, 2,963.58 and 1,203.12 is: 1,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.49 : 2,963.58 = 1,203.12 : x
  2. Step 2: Convert to fraction form
    2,147.49/2,963.58 = 1,203.12/x
  3. Step 3: Cross multiply
    2,147.49x = 2,963.58 × 1,203.12
  4. Step 4: Simplify right side
    2,147.49x = 3,565,542.37
  5. Step 5: Solve for x
    x = 3,565,542.37/2,147.49
  6. Step 6: Final answer
    x = 1,660.33

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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.