Home / 1,935.68-2,669.64-1,469.12

Finding the Fourth Proportional to 1,935.68, 2,669.64 and 1,469.12

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Solution

The fourth proportional to 1,935.68, 2,669.64 and 1,469.12 is: 2,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.68 : 2,669.64 = 1,469.12 : x
  2. Step 2: Convert to fraction form
    1,935.68/2,669.64 = 1,469.12/x
  3. Step 3: Cross multiply
    1,935.68x = 2,669.64 × 1,469.12
  4. Step 4: Simplify right side
    1,935.68x = 3,922,021.52
  5. Step 5: Solve for x
    x = 3,922,021.52/1,935.68
  6. Step 6: Final answer
    x = 2,026.17

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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.