Home / 2,569.50-3,553.20-2,453.48

Finding the Fourth Proportional to 2,569.50, 3,553.20 and 2,453.48

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Solution

The fourth proportional to 2,569.50, 3,553.20 and 2,453.48 is: 3,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.50 : 3,553.20 = 2,453.48 : x
  2. Step 2: Convert to fraction form
    2,569.50/3,553.20 = 2,453.48/x
  3. Step 3: Cross multiply
    2,569.50x = 3,553.20 × 2,453.48
  4. Step 4: Simplify right side
    2,569.50x = 8,717,687.37
  5. Step 5: Solve for x
    x = 8,717,687.37/2,569.50
  6. Step 6: Final answer
    x = 3,392.76

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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.