Home / 3,957.64-5,462.21-2,280.02

Finding the Fourth Proportional to 3,957.64, 5,462.21 and 2,280.02

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Solution

The fourth proportional to 3,957.64, 5,462.21 and 2,280.02 is: 3,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.64 : 5,462.21 = 2,280.02 : x
  2. Step 2: Convert to fraction form
    3,957.64/5,462.21 = 2,280.02/x
  3. Step 3: Cross multiply
    3,957.64x = 5,462.21 × 2,280.02
  4. Step 4: Simplify right side
    3,957.64x = 12,453,926.43
  5. Step 5: Solve for x
    x = 12,453,926.43/3,957.64
  6. Step 6: Final answer
    x = 3,146.81

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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.