Home / 3,890.32-5,833.96-1,356.77

Finding the Fourth Proportional to 3,890.32, 5,833.96 and 1,356.77

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Solution

The fourth proportional to 3,890.32, 5,833.96 and 1,356.77 is: 2,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.32 : 5,833.96 = 1,356.77 : x
  2. Step 2: Convert to fraction form
    3,890.32/5,833.96 = 1,356.77/x
  3. Step 3: Cross multiply
    3,890.32x = 5,833.96 × 1,356.77
  4. Step 4: Simplify right side
    3,890.32x = 7,915,353.10
  5. Step 5: Solve for x
    x = 7,915,353.10/3,890.32
  6. Step 6: Final answer
    x = 2,034.63

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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.