Home / 2,134.40-2,945.46-1,250.24

Finding the Fourth Proportional to 2,134.40, 2,945.46 and 1,250.24

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Solution

The fourth proportional to 2,134.40, 2,945.46 and 1,250.24 is: 1,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.40 : 2,945.46 = 1,250.24 : x
  2. Step 2: Convert to fraction form
    2,134.40/2,945.46 = 1,250.24/x
  3. Step 3: Cross multiply
    2,134.40x = 2,945.46 × 1,250.24
  4. Step 4: Simplify right side
    2,134.40x = 3,682,531.91
  5. Step 5: Solve for x
    x = 3,682,531.91/2,134.40
  6. Step 6: Final answer
    x = 1,725.32

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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.