Home / 3,821.32-5,734.50-1,356.10

Finding the Fourth Proportional to 3,821.32, 5,734.50 and 1,356.10

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Solution

The fourth proportional to 3,821.32, 5,734.50 and 1,356.10 is: 2,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.32 : 5,734.50 = 1,356.10 : x
  2. Step 2: Convert to fraction form
    3,821.32/5,734.50 = 1,356.10/x
  3. Step 3: Cross multiply
    3,821.32x = 5,734.50 × 1,356.10
  4. Step 4: Simplify right side
    3,821.32x = 7,776,555.45
  5. Step 5: Solve for x
    x = 7,776,555.45/3,821.32
  6. Step 6: Final answer
    x = 2,035.04

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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.