Home / 3,318.50-4,579.83-1,826.72

Finding the Fourth Proportional to 3,318.50, 4,579.83 and 1,826.72

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Solution

The fourth proportional to 3,318.50, 4,579.83 and 1,826.72 is: 2,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.50 : 4,579.83 = 1,826.72 : x
  2. Step 2: Convert to fraction form
    3,318.50/4,579.83 = 1,826.72/x
  3. Step 3: Cross multiply
    3,318.50x = 4,579.83 × 1,826.72
  4. Step 4: Simplify right side
    3,318.50x = 8,366,044.16
  5. Step 5: Solve for x
    x = 8,366,044.16/3,318.50
  6. Step 6: Final answer
    x = 2,521.04

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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.