Home / 2,216.16-3,058.92-1,284.84

Finding the Fourth Proportional to 2,216.16, 3,058.92 and 1,284.84

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Solution

The fourth proportional to 2,216.16, 3,058.92 and 1,284.84 is: 1,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.16 : 3,058.92 = 1,284.84 : x
  2. Step 2: Convert to fraction form
    2,216.16/3,058.92 = 1,284.84/x
  3. Step 3: Cross multiply
    2,216.16x = 3,058.92 × 1,284.84
  4. Step 4: Simplify right side
    2,216.16x = 3,930,222.77
  5. Step 5: Solve for x
    x = 3,930,222.77/2,216.16
  6. Step 6: Final answer
    x = 1,773.44

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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.