Home / 3,872.02-5,345.04-2,300.62

Finding the Fourth Proportional to 3,872.02, 5,345.04 and 2,300.62

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Solution

The fourth proportional to 3,872.02, 5,345.04 and 2,300.62 is: 3,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.02 : 5,345.04 = 2,300.62 : x
  2. Step 2: Convert to fraction form
    3,872.02/5,345.04 = 2,300.62/x
  3. Step 3: Cross multiply
    3,872.02x = 5,345.04 × 2,300.62
  4. Step 4: Simplify right side
    3,872.02x = 12,296,905.92
  5. Step 5: Solve for x
    x = 12,296,905.92/3,872.02
  6. Step 6: Final answer
    x = 3,175.84

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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.