Home / 2,289.02-3,433.65-729.15

Finding the Fourth Proportional to 2,289.02, 3,433.65 and 729.15

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Solution

The fourth proportional to 2,289.02, 3,433.65 and 729.15 is: 1,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.02 : 3,433.65 = 729.15 : x
  2. Step 2: Convert to fraction form
    2,289.02/3,433.65 = 729.15/x
  3. Step 3: Cross multiply
    2,289.02x = 3,433.65 × 729.15
  4. Step 4: Simplify right side
    2,289.02x = 2,503,645.90
  5. Step 5: Solve for x
    x = 2,503,645.90/2,289.02
  6. Step 6: Final answer
    x = 1,093.76

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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.