Home / 2,756.33-3,801.89-1,708.91

Finding the Fourth Proportional to 2,756.33, 3,801.89 and 1,708.91

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Solution

The fourth proportional to 2,756.33, 3,801.89 and 1,708.91 is: 2,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.33 : 3,801.89 = 1,708.91 : x
  2. Step 2: Convert to fraction form
    2,756.33/3,801.89 = 1,708.91/x
  3. Step 3: Cross multiply
    2,756.33x = 3,801.89 × 1,708.91
  4. Step 4: Simplify right side
    2,756.33x = 6,497,079.30
  5. Step 5: Solve for x
    x = 6,497,079.30/2,756.33
  6. Step 6: Final answer
    x = 2,357.15

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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.