Home / 3,724.20-5,583.06-2,428.20

Finding the Fourth Proportional to 3,724.20, 5,583.06 and 2,428.20

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Solution

The fourth proportional to 3,724.20, 5,583.06 and 2,428.20 is: 3,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.20 : 5,583.06 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    3,724.20/5,583.06 = 2,428.20/x
  3. Step 3: Cross multiply
    3,724.20x = 5,583.06 × 2,428.20
  4. Step 4: Simplify right side
    3,724.20x = 13,556,786.29
  5. Step 5: Solve for x
    x = 13,556,786.29/3,724.20
  6. Step 6: Final answer
    x = 3,640.19

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1.5x scale

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.