Home / 3,335.60-4,977.22-3,261.20

Finding the Fourth Proportional to 3,335.60, 4,977.22 and 3,261.20

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Solution

The fourth proportional to 3,335.60, 4,977.22 and 3,261.20 is: 4,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.60 : 4,977.22 = 3,261.20 : x
  2. Step 2: Convert to fraction form
    3,335.60/4,977.22 = 3,261.20/x
  3. Step 3: Cross multiply
    3,335.60x = 4,977.22 × 3,261.20
  4. Step 4: Simplify right side
    3,335.60x = 16,231,709.86
  5. Step 5: Solve for x
    x = 16,231,709.86/3,335.60
  6. Step 6: Final answer
    x = 4,866.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.