Home / 2,147.19-2,963.39-1,203.02

Finding the Fourth Proportional to 2,147.19, 2,963.39 and 1,203.02

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Solution

The fourth proportional to 2,147.19, 2,963.39 and 1,203.02 is: 1,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.19 : 2,963.39 = 1,203.02 : x
  2. Step 2: Convert to fraction form
    2,147.19/2,963.39 = 1,203.02/x
  3. Step 3: Cross multiply
    2,147.19x = 2,963.39 × 1,203.02
  4. Step 4: Simplify right side
    2,147.19x = 3,565,013.97
  5. Step 5: Solve for x
    x = 3,565,013.97/2,147.19
  6. Step 6: Final answer
    x = 1,660.32

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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.