Home / 3,600.45-5,400.89-1,135.35

Finding the Fourth Proportional to 3,600.45, 5,400.89 and 1,135.35

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Solution

The fourth proportional to 3,600.45, 5,400.89 and 1,135.35 is: 1,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.45 : 5,400.89 = 1,135.35 : x
  2. Step 2: Convert to fraction form
    3,600.45/5,400.89 = 1,135.35/x
  3. Step 3: Cross multiply
    3,600.45x = 5,400.89 × 1,135.35
  4. Step 4: Simplify right side
    3,600.45x = 6,131,894.78
  5. Step 5: Solve for x
    x = 6,131,894.78/3,600.45
  6. Step 6: Final answer
    x = 1,703.09

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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.