Home / 3,551.07-5,322.51-2,070.80

Finding the Fourth Proportional to 3,551.07, 5,322.51 and 2,070.80

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Solution

The fourth proportional to 3,551.07, 5,322.51 and 2,070.80 is: 3,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.07 : 5,322.51 = 2,070.80 : x
  2. Step 2: Convert to fraction form
    3,551.07/5,322.51 = 2,070.80/x
  3. Step 3: Cross multiply
    3,551.07x = 5,322.51 × 2,070.80
  4. Step 4: Simplify right side
    3,551.07x = 11,021,847.05
  5. Step 5: Solve for x
    x = 11,021,847.05/3,551.07
  6. Step 6: Final answer
    x = 3,103.81

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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.