Home / 2,672.04-3,687.36-1,677.96

Finding the Fourth Proportional to 2,672.04, 3,687.36 and 1,677.96

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Solution

The fourth proportional to 2,672.04, 3,687.36 and 1,677.96 is: 2,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.04 : 3,687.36 = 1,677.96 : x
  2. Step 2: Convert to fraction form
    2,672.04/3,687.36 = 1,677.96/x
  3. Step 3: Cross multiply
    2,672.04x = 3,687.36 × 1,677.96
  4. Step 4: Simplify right side
    2,672.04x = 6,187,242.59
  5. Step 5: Solve for x
    x = 6,187,242.59/2,672.04
  6. Step 6: Final answer
    x = 2,315.55

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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.