Home / 3,913.02-5,400.24-2,234.68

Finding the Fourth Proportional to 3,913.02, 5,400.24 and 2,234.68

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Solution

The fourth proportional to 3,913.02, 5,400.24 and 2,234.68 is: 3,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.02 : 5,400.24 = 2,234.68 : x
  2. Step 2: Convert to fraction form
    3,913.02/5,400.24 = 2,234.68/x
  3. Step 3: Cross multiply
    3,913.02x = 5,400.24 × 2,234.68
  4. Step 4: Simplify right side
    3,913.02x = 12,067,808.32
  5. Step 5: Solve for x
    x = 12,067,808.32/3,913.02
  6. Step 6: Final answer
    x = 3,084.01

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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.