Home / 3,645.45-5,441.71-3,389.08

Finding the Fourth Proportional to 3,645.45, 5,441.71 and 3,389.08

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Solution

The fourth proportional to 3,645.45, 5,441.71 and 3,389.08 is: 5,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.45 : 5,441.71 = 3,389.08 : x
  2. Step 2: Convert to fraction form
    3,645.45/5,441.71 = 3,389.08/x
  3. Step 3: Cross multiply
    3,645.45x = 5,441.71 × 3,389.08
  4. Step 4: Simplify right side
    3,645.45x = 18,442,390.53
  5. Step 5: Solve for x
    x = 18,442,390.53/3,645.45
  6. Step 6: Final answer
    x = 5,059.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.