Home / 3,487.37-4,809.26-2,781.52

Finding the Fourth Proportional to 3,487.37, 4,809.26 and 2,781.52

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Solution

The fourth proportional to 3,487.37, 4,809.26 and 2,781.52 is: 3,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.37 : 4,809.26 = 2,781.52 : x
  2. Step 2: Convert to fraction form
    3,487.37/4,809.26 = 2,781.52/x
  3. Step 3: Cross multiply
    3,487.37x = 4,809.26 × 2,781.52
  4. Step 4: Simplify right side
    3,487.37x = 13,377,046.86
  5. Step 5: Solve for x
    x = 13,377,046.86/3,487.37
  6. Step 6: Final answer
    x = 3,835.86

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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.