Home / 3,318.48-4,579.60-1,826.40

Finding the Fourth Proportional to 3,318.48, 4,579.60 and 1,826.40

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Solution

The fourth proportional to 3,318.48, 4,579.60 and 1,826.40 is: 2,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.48 : 4,579.60 = 1,826.40 : x
  2. Step 2: Convert to fraction form
    3,318.48/4,579.60 = 1,826.40/x
  3. Step 3: Cross multiply
    3,318.48x = 4,579.60 × 1,826.40
  4. Step 4: Simplify right side
    3,318.48x = 8,364,181.44
  5. Step 5: Solve for x
    x = 8,364,181.44/3,318.48
  6. Step 6: Final answer
    x = 2,520.49

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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.