Home / 2,134.64-2,945.78-1,203.14

Finding the Fourth Proportional to 2,134.64, 2,945.78 and 1,203.14

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Solution

The fourth proportional to 2,134.64, 2,945.78 and 1,203.14 is: 1,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.64 : 2,945.78 = 1,203.14 : x
  2. Step 2: Convert to fraction form
    2,134.64/2,945.78 = 1,203.14/x
  3. Step 3: Cross multiply
    2,134.64x = 2,945.78 × 1,203.14
  4. Step 4: Simplify right side
    2,134.64x = 3,544,185.75
  5. Step 5: Solve for x
    x = 3,544,185.75/2,134.64
  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.