Home / 2,670.26-3,681.68-2,196.50

Finding the Fourth Proportional to 2,670.26, 3,681.68 and 2,196.50

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Solution

The fourth proportional to 2,670.26, 3,681.68 and 2,196.50 is: 3,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.26 : 3,681.68 = 2,196.50 : x
  2. Step 2: Convert to fraction form
    2,670.26/3,681.68 = 2,196.50/x
  3. Step 3: Cross multiply
    2,670.26x = 3,681.68 × 2,196.50
  4. Step 4: Simplify right side
    2,670.26x = 8,086,810.12
  5. Step 5: Solve for x
    x = 8,086,810.12/2,670.26
  6. Step 6: Final answer
    x = 3,028.47

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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.