Home / 3,318.17-4,578.96-1,825.95

Finding the Fourth Proportional to 3,318.17, 4,578.96 and 1,825.95

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Solution

The fourth proportional to 3,318.17, 4,578.96 and 1,825.95 is: 2,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.17 : 4,578.96 = 1,825.95 : x
  2. Step 2: Convert to fraction form
    3,318.17/4,578.96 = 1,825.95/x
  3. Step 3: Cross multiply
    3,318.17x = 4,578.96 × 1,825.95
  4. Step 4: Simplify right side
    3,318.17x = 8,360,952.01
  5. Step 5: Solve for x
    x = 8,360,952.01/3,318.17
  6. Step 6: Final answer
    x = 2,519.75

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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.