Home / 3,166.16-4,748.56-1,218

Finding the Fourth Proportional to 3,166.16, 4,748.56 and 1,218

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Solution

The fourth proportional to 3,166.16, 4,748.56 and 1,218 is: 1,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.16 : 4,748.56 = 1,218 : x
  2. Step 2: Convert to fraction form
    3,166.16/4,748.56 = 1,218/x
  3. Step 3: Cross multiply
    3,166.16x = 4,748.56 × 1,218
  4. Step 4: Simplify right side
    3,166.16x = 5,783,746.08
  5. Step 5: Solve for x
    x = 5,783,746.08/3,166.16
  6. Step 6: Final answer
    x = 1,826.74

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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.