Home / 3,874.10-5,811.05-1,535.32

Finding the Fourth Proportional to 3,874.10, 5,811.05 and 1,535.32

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Solution

The fourth proportional to 3,874.10, 5,811.05 and 1,535.32 is: 2,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.10 : 5,811.05 = 1,535.32 : x
  2. Step 2: Convert to fraction form
    3,874.10/5,811.05 = 1,535.32/x
  3. Step 3: Cross multiply
    3,874.10x = 5,811.05 × 1,535.32
  4. Step 4: Simplify right side
    3,874.10x = 8,921,821.29
  5. Step 5: Solve for x
    x = 8,921,821.29/3,874.10
  6. Step 6: Final answer
    x = 2,302.94

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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.