Home / 2,289.37-3,433.82-1,553.71

Finding the Fourth Proportional to 2,289.37, 3,433.82 and 1,553.71

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Solution

The fourth proportional to 2,289.37, 3,433.82 and 1,553.71 is: 2,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.37 : 3,433.82 = 1,553.71 : x
  2. Step 2: Convert to fraction form
    2,289.37/3,433.82 = 1,553.71/x
  3. Step 3: Cross multiply
    2,289.37x = 3,433.82 × 1,553.71
  4. Step 4: Simplify right side
    2,289.37x = 5,335,149.95
  5. Step 5: Solve for x
    x = 5,335,149.95/2,289.37
  6. Step 6: Final answer
    x = 2,330.40

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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.