Home / 3,158.49-4,356.37-2,318.93

Finding the Fourth Proportional to 3,158.49, 4,356.37 and 2,318.93

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Solution

The fourth proportional to 3,158.49, 4,356.37 and 2,318.93 is: 3,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.49 : 4,356.37 = 2,318.93 : x
  2. Step 2: Convert to fraction form
    3,158.49/4,356.37 = 2,318.93/x
  3. Step 3: Cross multiply
    3,158.49x = 4,356.37 × 2,318.93
  4. Step 4: Simplify right side
    3,158.49x = 10,102,101.49
  5. Step 5: Solve for x
    x = 10,102,101.49/3,158.49
  6. Step 6: Final answer
    x = 3,198.39

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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.