Home / 3,318.31-4,579.55-1,826.51

Finding the Fourth Proportional to 3,318.31, 4,579.55 and 1,826.51

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Solution

The fourth proportional to 3,318.31, 4,579.55 and 1,826.51 is: 2,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.31 : 4,579.55 = 1,826.51 : x
  2. Step 2: Convert to fraction form
    3,318.31/4,579.55 = 1,826.51/x
  3. Step 3: Cross multiply
    3,318.31x = 4,579.55 × 1,826.51
  4. Step 4: Simplify right side
    3,318.31x = 8,364,593.87
  5. Step 5: Solve for x
    x = 8,364,593.87/3,318.31
  6. Step 6: Final answer
    x = 2,520.74

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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.