Home / 2,935.89-4,403.84-2,151.81

Finding the Fourth Proportional to 2,935.89, 4,403.84 and 2,151.81

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Solution

The fourth proportional to 2,935.89, 4,403.84 and 2,151.81 is: 3,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.89 : 4,403.84 = 2,151.81 : x
  2. Step 2: Convert to fraction form
    2,935.89/4,403.84 = 2,151.81/x
  3. Step 3: Cross multiply
    2,935.89x = 4,403.84 × 2,151.81
  4. Step 4: Simplify right side
    2,935.89x = 9,476,216.19
  5. Step 5: Solve for x
    x = 9,476,216.19/2,935.89
  6. Step 6: Final answer
    x = 3,227.72

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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.