Home / 3,887.02-5,364.40-2,208.96

Finding the Fourth Proportional to 3,887.02, 5,364.40 and 2,208.96

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Solution

The fourth proportional to 3,887.02, 5,364.40 and 2,208.96 is: 3,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.02 : 5,364.40 = 2,208.96 : x
  2. Step 2: Convert to fraction form
    3,887.02/5,364.40 = 2,208.96/x
  3. Step 3: Cross multiply
    3,887.02x = 5,364.40 × 2,208.96
  4. Step 4: Simplify right side
    3,887.02x = 11,849,745.02
  5. Step 5: Solve for x
    x = 11,849,745.02/3,887.02
  6. Step 6: Final answer
    x = 3,048.54

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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.