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Finding the Fourth Proportional to 3,600.02, 5,400.03 and 2,779.49

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Solution

The fourth proportional to 3,600.02, 5,400.03 and 2,779.49 is: 4,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.02 : 5,400.03 = 2,779.49 : x
  2. Step 2: Convert to fraction form
    3,600.02/5,400.03 = 2,779.49/x
  3. Step 3: Cross multiply
    3,600.02x = 5,400.03 × 2,779.49
  4. Step 4: Simplify right side
    3,600.02x = 15,009,329.38
  5. Step 5: Solve for x
    x = 15,009,329.38/3,600.02
  6. Step 6: Final answer
    x = 4,169.24

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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.