Home / 3,724.79-5,583.60-1,384.16

Finding the Fourth Proportional to 3,724.79, 5,583.60 and 1,384.16

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Solution

The fourth proportional to 3,724.79, 5,583.60 and 1,384.16 is: 2,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.79 : 5,583.60 = 1,384.16 : x
  2. Step 2: Convert to fraction form
    3,724.79/5,583.60 = 1,384.16/x
  3. Step 3: Cross multiply
    3,724.79x = 5,583.60 × 1,384.16
  4. Step 4: Simplify right side
    3,724.79x = 7,728,567.86
  5. Step 5: Solve for x
    x = 7,728,567.86/3,724.79
  6. Step 6: Final answer
    x = 2,074.90

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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.