Home / 2,825.21-3,899.02-1,566.66

Finding the Fourth Proportional to 2,825.21, 3,899.02 and 1,566.66

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Solution

The fourth proportional to 2,825.21, 3,899.02 and 1,566.66 is: 2,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.21 : 3,899.02 = 1,566.66 : x
  2. Step 2: Convert to fraction form
    2,825.21/3,899.02 = 1,566.66/x
  3. Step 3: Cross multiply
    2,825.21x = 3,899.02 × 1,566.66
  4. Step 4: Simplify right side
    2,825.21x = 6,108,453.44
  5. Step 5: Solve for x
    x = 6,108,453.44/2,825.21
  6. Step 6: Final answer
    x = 2,162.12

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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.