Home / 3,905.18-5,387.64-2,410.50

Finding the Fourth Proportional to 3,905.18, 5,387.64 and 2,410.50

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Solution

The fourth proportional to 3,905.18, 5,387.64 and 2,410.50 is: 3,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.18 : 5,387.64 = 2,410.50 : x
  2. Step 2: Convert to fraction form
    3,905.18/5,387.64 = 2,410.50/x
  3. Step 3: Cross multiply
    3,905.18x = 5,387.64 × 2,410.50
  4. Step 4: Simplify right side
    3,905.18x = 12,986,906.22
  5. Step 5: Solve for x
    x = 12,986,906.22/3,905.18
  6. Step 6: Final answer
    x = 3,325.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.