Home / 3,609.95-5,415.07-1,144.71

Finding the Fourth Proportional to 3,609.95, 5,415.07 and 1,144.71

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Solution

The fourth proportional to 3,609.95, 5,415.07 and 1,144.71 is: 1,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.95 : 5,415.07 = 1,144.71 : x
  2. Step 2: Convert to fraction form
    3,609.95/5,415.07 = 1,144.71/x
  3. Step 3: Cross multiply
    3,609.95x = 5,415.07 × 1,144.71
  4. Step 4: Simplify right side
    3,609.95x = 6,198,684.78
  5. Step 5: Solve for x
    x = 6,198,684.78/3,609.95
  6. Step 6: Final answer
    x = 1,717.11

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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.