Home / 2,147.13-2,962.37-1,202.79

Finding the Fourth Proportional to 2,147.13, 2,962.37 and 1,202.79

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Solution

The fourth proportional to 2,147.13, 2,962.37 and 1,202.79 is: 1,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.13 : 2,962.37 = 1,202.79 : x
  2. Step 2: Convert to fraction form
    2,147.13/2,962.37 = 1,202.79/x
  3. Step 3: Cross multiply
    2,147.13x = 2,962.37 × 1,202.79
  4. Step 4: Simplify right side
    2,147.13x = 3,563,116.36
  5. Step 5: Solve for x
    x = 3,563,116.36/2,147.13
  6. Step 6: Final answer
    x = 1,659.48

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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.