Home / 3,215.02-4,822.85-1,650.73

Finding the Fourth Proportional to 3,215.02, 4,822.85 and 1,650.73

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Solution

The fourth proportional to 3,215.02, 4,822.85 and 1,650.73 is: 2,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.02 : 4,822.85 = 1,650.73 : x
  2. Step 2: Convert to fraction form
    3,215.02/4,822.85 = 1,650.73/x
  3. Step 3: Cross multiply
    3,215.02x = 4,822.85 × 1,650.73
  4. Step 4: Simplify right side
    3,215.02x = 7,961,223.18
  5. Step 5: Solve for x
    x = 7,961,223.18/3,215.02
  6. Step 6: Final answer
    x = 2,476.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.