Home / 3,549.45-5,322.45-2,069.19

Finding the Fourth Proportional to 3,549.45, 5,322.45 and 2,069.19

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Solution

The fourth proportional to 3,549.45, 5,322.45 and 2,069.19 is: 3,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.45 : 5,322.45 = 2,069.19 : x
  2. Step 2: Convert to fraction form
    3,549.45/5,322.45 = 2,069.19/x
  3. Step 3: Cross multiply
    3,549.45x = 5,322.45 × 2,069.19
  4. Step 4: Simplify right side
    3,549.45x = 11,013,160.32
  5. Step 5: Solve for x
    x = 11,013,160.32/3,549.45
  6. Step 6: Final answer
    x = 3,102.78

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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.