Home / 3,623.74-4,998.99-2,561.70

Finding the Fourth Proportional to 3,623.74, 4,998.99 and 2,561.70

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Solution

The fourth proportional to 3,623.74, 4,998.99 and 2,561.70 is: 3,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.74 : 4,998.99 = 2,561.70 : x
  2. Step 2: Convert to fraction form
    3,623.74/4,998.99 = 2,561.70/x
  3. Step 3: Cross multiply
    3,623.74x = 4,998.99 × 2,561.70
  4. Step 4: Simplify right side
    3,623.74x = 12,805,912.68
  5. Step 5: Solve for x
    x = 12,805,912.68/3,623.74
  6. Step 6: Final answer
    x = 3,533.89

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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.