Home / 3,621.87-5,428.89-1,541.52

Finding the Fourth Proportional to 3,621.87, 5,428.89 and 1,541.52

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Solution

The fourth proportional to 3,621.87, 5,428.89 and 1,541.52 is: 2,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.87 : 5,428.89 = 1,541.52 : x
  2. Step 2: Convert to fraction form
    3,621.87/5,428.89 = 1,541.52/x
  3. Step 3: Cross multiply
    3,621.87x = 5,428.89 × 1,541.52
  4. Step 4: Simplify right side
    3,621.87x = 8,368,742.51
  5. Step 5: Solve for x
    x = 8,368,742.51/3,621.87
  6. Step 6: Final answer
    x = 2,310.61

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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.