Home / 4,102.64-6,154.32-1,329.38

Finding the Fourth Proportional to 4,102.64, 6,154.32 and 1,329.38

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Solution

The fourth proportional to 4,102.64, 6,154.32 and 1,329.38 is: 1,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.64 : 6,154.32 = 1,329.38 : x
  2. Step 2: Convert to fraction form
    4,102.64/6,154.32 = 1,329.38/x
  3. Step 3: Cross multiply
    4,102.64x = 6,154.32 × 1,329.38
  4. Step 4: Simplify right side
    4,102.64x = 8,181,429.92
  5. Step 5: Solve for x
    x = 8,181,429.92/4,102.64
  6. Step 6: Final answer
    x = 1,994.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.