Home / 3,380.02-5,071.44-1,625.98

Finding the Fourth Proportional to 3,380.02, 5,071.44 and 1,625.98

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Solution

The fourth proportional to 3,380.02, 5,071.44 and 1,625.98 is: 2,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.02 : 5,071.44 = 1,625.98 : x
  2. Step 2: Convert to fraction form
    3,380.02/5,071.44 = 1,625.98/x
  3. Step 3: Cross multiply
    3,380.02x = 5,071.44 × 1,625.98
  4. Step 4: Simplify right side
    3,380.02x = 8,246,060.01
  5. Step 5: Solve for x
    x = 8,246,060.01/3,380.02
  6. Step 6: Final answer
    x = 2,439.65

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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.