Home / 3,027.80-4,179.48-2,658.71

Finding the Fourth Proportional to 3,027.80, 4,179.48 and 2,658.71

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Solution

The fourth proportional to 3,027.80, 4,179.48 and 2,658.71 is: 3,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.80 : 4,179.48 = 2,658.71 : x
  2. Step 2: Convert to fraction form
    3,027.80/4,179.48 = 2,658.71/x
  3. Step 3: Cross multiply
    3,027.80x = 4,179.48 × 2,658.71
  4. Step 4: Simplify right side
    3,027.80x = 11,112,025.27
  5. Step 5: Solve for x
    x = 11,112,025.27/3,027.80
  6. Step 6: Final answer
    x = 3,670.00

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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.