Home / 3,167.48-4,749.85-1,218.32

Finding the Fourth Proportional to 3,167.48, 4,749.85 and 1,218.32

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Solution

The fourth proportional to 3,167.48, 4,749.85 and 1,218.32 is: 1,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.48 : 4,749.85 = 1,218.32 : x
  2. Step 2: Convert to fraction form
    3,167.48/4,749.85 = 1,218.32/x
  3. Step 3: Cross multiply
    3,167.48x = 4,749.85 × 1,218.32
  4. Step 4: Simplify right side
    3,167.48x = 5,786,807.41
  5. Step 5: Solve for x
    x = 5,786,807.41/3,167.48
  6. Step 6: Final answer
    x = 1,826.95

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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.