Home / 3,188.24-4,775.42-1,541.32

Finding the Fourth Proportional to 3,188.24, 4,775.42 and 1,541.32

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Solution

The fourth proportional to 3,188.24, 4,775.42 and 1,541.32 is: 2,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.24 : 4,775.42 = 1,541.32 : x
  2. Step 2: Convert to fraction form
    3,188.24/4,775.42 = 1,541.32/x
  3. Step 3: Cross multiply
    3,188.24x = 4,775.42 × 1,541.32
  4. Step 4: Simplify right side
    3,188.24x = 7,360,418.77
  5. Step 5: Solve for x
    x = 7,360,418.77/3,188.24
  6. Step 6: Final answer
    x = 2,308.62

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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.