Home / 2,134.13-2,945.12-1,202.63

Finding the Fourth Proportional to 2,134.13, 2,945.12 and 1,202.63

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Solution

The fourth proportional to 2,134.13, 2,945.12 and 1,202.63 is: 1,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.13 : 2,945.12 = 1,202.63 : x
  2. Step 2: Convert to fraction form
    2,134.13/2,945.12 = 1,202.63/x
  3. Step 3: Cross multiply
    2,134.13x = 2,945.12 × 1,202.63
  4. Step 4: Simplify right side
    2,134.13x = 3,541,868.93
  5. Step 5: Solve for x
    x = 3,541,868.93/2,134.13
  6. Step 6: Final answer
    x = 1,659.64

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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.