Home / 2,553.88-3,525.78-2,378.92

Finding the Fourth Proportional to 2,553.88, 3,525.78 and 2,378.92

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Solution

The fourth proportional to 2,553.88, 3,525.78 and 2,378.92 is: 3,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.88 : 3,525.78 = 2,378.92 : x
  2. Step 2: Convert to fraction form
    2,553.88/3,525.78 = 2,378.92/x
  3. Step 3: Cross multiply
    2,553.88x = 3,525.78 × 2,378.92
  4. Step 4: Simplify right side
    2,553.88x = 8,387,548.56
  5. Step 5: Solve for x
    x = 8,387,548.56/2,553.88
  6. Step 6: Final answer
    x = 3,284.24

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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.