Home / 3,259.58-4,490.62-2,666.66

Finding the Fourth Proportional to 3,259.58, 4,490.62 and 2,666.66

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Solution

The fourth proportional to 3,259.58, 4,490.62 and 2,666.66 is: 3,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.58 : 4,490.62 = 2,666.66 : x
  2. Step 2: Convert to fraction form
    3,259.58/4,490.62 = 2,666.66/x
  3. Step 3: Cross multiply
    3,259.58x = 4,490.62 × 2,666.66
  4. Step 4: Simplify right side
    3,259.58x = 11,974,956.73
  5. Step 5: Solve for x
    x = 11,974,956.73/3,259.58
  6. Step 6: Final answer
    x = 3,673.77

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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.