Home / 3,456.30-4,743.15-3,237.60

Finding the Fourth Proportional to 3,456.30, 4,743.15 and 3,237.60

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Solution

The fourth proportional to 3,456.30, 4,743.15 and 3,237.60 is: 4,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.30 : 4,743.15 = 3,237.60 : x
  2. Step 2: Convert to fraction form
    3,456.30/4,743.15 = 3,237.60/x
  3. Step 3: Cross multiply
    3,456.30x = 4,743.15 × 3,237.60
  4. Step 4: Simplify right side
    3,456.30x = 15,356,422.44
  5. Step 5: Solve for x
    x = 15,356,422.44/3,456.30
  6. Step 6: Final answer
    x = 4,443.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.