Home / 2,553.46-3,523.97-1,434.64

Finding the Fourth Proportional to 2,553.46, 3,523.97 and 1,434.64

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Solution

The fourth proportional to 2,553.46, 3,523.97 and 1,434.64 is: 1,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.46 : 3,523.97 = 1,434.64 : x
  2. Step 2: Convert to fraction form
    2,553.46/3,523.97 = 1,434.64/x
  3. Step 3: Cross multiply
    2,553.46x = 3,523.97 × 1,434.64
  4. Step 4: Simplify right side
    2,553.46x = 5,055,628.32
  5. Step 5: Solve for x
    x = 5,055,628.32/2,553.46
  6. Step 6: Final answer
    x = 1,979.91

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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.