Home / 2,681.24-3,701.70-1,687.37

Finding the Fourth Proportional to 2,681.24, 3,701.70 and 1,687.37

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Solution

The fourth proportional to 2,681.24, 3,701.70 and 1,687.37 is: 2,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.24 : 3,701.70 = 1,687.37 : x
  2. Step 2: Convert to fraction form
    2,681.24/3,701.70 = 1,687.37/x
  3. Step 3: Cross multiply
    2,681.24x = 3,701.70 × 1,687.37
  4. Step 4: Simplify right side
    2,681.24x = 6,246,119.02
  5. Step 5: Solve for x
    x = 6,246,119.02/2,681.24
  6. Step 6: Final answer
    x = 2,329.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.