Home / 3,158.08-4,355.80-2,318.52

Finding the Fourth Proportional to 3,158.08, 4,355.80 and 2,318.52

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Solution

The fourth proportional to 3,158.08, 4,355.80 and 2,318.52 is: 3,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.08 : 4,355.80 = 2,318.52 : x
  2. Step 2: Convert to fraction form
    3,158.08/4,355.80 = 2,318.52/x
  3. Step 3: Cross multiply
    3,158.08x = 4,355.80 × 2,318.52
  4. Step 4: Simplify right side
    3,158.08x = 10,099,009.42
  5. Step 5: Solve for x
    x = 10,099,009.42/3,158.08
  6. Step 6: Final answer
    x = 3,197.83

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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.