Home / 4,172.69-5,760.39-2,403.95

Finding the Fourth Proportional to 4,172.69, 5,760.39 and 2,403.95

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Solution

The fourth proportional to 4,172.69, 5,760.39 and 2,403.95 is: 3,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.69 : 5,760.39 = 2,403.95 : x
  2. Step 2: Convert to fraction form
    4,172.69/5,760.39 = 2,403.95/x
  3. Step 3: Cross multiply
    4,172.69x = 5,760.39 × 2,403.95
  4. Step 4: Simplify right side
    4,172.69x = 13,847,689.54
  5. Step 5: Solve for x
    x = 13,847,689.54/4,172.69
  6. Step 6: Final answer
    x = 3,318.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.