Home / 4,318.20-5,959.76-2,640.60

Finding the Fourth Proportional to 4,318.20, 5,959.76 and 2,640.60

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Solution

The fourth proportional to 4,318.20, 5,959.76 and 2,640.60 is: 3,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.20 : 5,959.76 = 2,640.60 : x
  2. Step 2: Convert to fraction form
    4,318.20/5,959.76 = 2,640.60/x
  3. Step 3: Cross multiply
    4,318.20x = 5,959.76 × 2,640.60
  4. Step 4: Simplify right side
    4,318.20x = 15,737,342.26
  5. Step 5: Solve for x
    x = 15,737,342.26/4,318.20
  6. Step 6: Final answer
    x = 3,644.42

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1.5x scale

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.