Home / 2,146.40-2,962.19-1,202.28

Finding the Fourth Proportional to 2,146.40, 2,962.19 and 1,202.28

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Solution

The fourth proportional to 2,146.40, 2,962.19 and 1,202.28 is: 1,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.40 : 2,962.19 = 1,202.28 : x
  2. Step 2: Convert to fraction form
    2,146.40/2,962.19 = 1,202.28/x
  3. Step 3: Cross multiply
    2,146.40x = 2,962.19 × 1,202.28
  4. Step 4: Simplify right side
    2,146.40x = 3,561,366.93
  5. Step 5: Solve for x
    x = 3,561,366.93/2,146.40
  6. Step 6: Final answer
    x = 1,659.22

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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.