Home / 3,623.74-4,990.61-3,295.69

Finding the Fourth Proportional to 3,623.74, 4,990.61 and 3,295.69

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Solution

The fourth proportional to 3,623.74, 4,990.61 and 3,295.69 is: 4,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.74 : 4,990.61 = 3,295.69 : x
  2. Step 2: Convert to fraction form
    3,623.74/4,990.61 = 3,295.69/x
  3. Step 3: Cross multiply
    3,623.74x = 4,990.61 × 3,295.69
  4. Step 4: Simplify right side
    3,623.74x = 16,447,499.23
  5. Step 5: Solve for x
    x = 16,447,499.23/3,623.74
  6. Step 6: Final answer
    x = 4,538.82

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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.