Home / 2,669.00-3,681.94-1,673.78

Finding the Fourth Proportional to 2,669.00, 3,681.94 and 1,673.78

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Solution

The fourth proportional to 2,669.00, 3,681.94 and 1,673.78 is: 2,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.00 : 3,681.94 = 1,673.78 : x
  2. Step 2: Convert to fraction form
    2,669.00/3,681.94 = 1,673.78/x
  3. Step 3: Cross multiply
    2,669.00x = 3,681.94 × 1,673.78
  4. Step 4: Simplify right side
    2,669.00x = 6,162,734.94
  5. Step 5: Solve for x
    x = 6,162,734.94/2,669.00
  6. Step 6: Final answer
    x = 2,309.01

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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.