Home / 3,678.41-5,525.98-2,218.52

Finding the Fourth Proportional to 3,678.41, 5,525.98 and 2,218.52

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Solution

The fourth proportional to 3,678.41, 5,525.98 and 2,218.52 is: 3,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.41 : 5,525.98 = 2,218.52 : x
  2. Step 2: Convert to fraction form
    3,678.41/5,525.98 = 2,218.52/x
  3. Step 3: Cross multiply
    3,678.41x = 5,525.98 × 2,218.52
  4. Step 4: Simplify right side
    3,678.41x = 12,259,463.97
  5. Step 5: Solve for x
    x = 12,259,463.97/3,678.41
  6. Step 6: Final answer
    x = 3,332.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.