Home / 2,553.06-3,523.31-1,434.20

Finding the Fourth Proportional to 2,553.06, 3,523.31 and 1,434.20

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Solution

The fourth proportional to 2,553.06, 3,523.31 and 1,434.20 is: 1,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.06 : 3,523.31 = 1,434.20 : x
  2. Step 2: Convert to fraction form
    2,553.06/3,523.31 = 1,434.20/x
  3. Step 3: Cross multiply
    2,553.06x = 3,523.31 × 1,434.20
  4. Step 4: Simplify right side
    2,553.06x = 5,053,106.41
  5. Step 5: Solve for x
    x = 5,053,106.41/2,553.06
  6. Step 6: Final answer
    x = 1,979.24

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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.