Home / 2,388.20-3,580.86-2,023.16

Finding the Fourth Proportional to 2,388.20, 3,580.86 and 2,023.16

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Solution

The fourth proportional to 2,388.20, 3,580.86 and 2,023.16 is: 3,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.20 : 3,580.86 = 2,023.16 : x
  2. Step 2: Convert to fraction form
    2,388.20/3,580.86 = 2,023.16/x
  3. Step 3: Cross multiply
    2,388.20x = 3,580.86 × 2,023.16
  4. Step 4: Simplify right side
    2,388.20x = 7,244,652.72
  5. Step 5: Solve for x
    x = 7,244,652.72/2,388.20
  6. Step 6: Final answer
    x = 3,033.52

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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.