Home / 3,561.44-5,331.15-2,783.70

Finding the Fourth Proportional to 3,561.44, 5,331.15 and 2,783.70

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Solution

The fourth proportional to 3,561.44, 5,331.15 and 2,783.70 is: 4,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.44 : 5,331.15 = 2,783.70 : x
  2. Step 2: Convert to fraction form
    3,561.44/5,331.15 = 2,783.70/x
  3. Step 3: Cross multiply
    3,561.44x = 5,331.15 × 2,783.70
  4. Step 4: Simplify right side
    3,561.44x = 14,840,322.26
  5. Step 5: Solve for x
    x = 14,840,322.26/3,561.44
  6. Step 6: Final answer
    x = 4,166.95

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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.