Home / 2,666.19-3,996.99-1,729.56

Finding the Fourth Proportional to 2,666.19, 3,996.99 and 1,729.56

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Solution

The fourth proportional to 2,666.19, 3,996.99 and 1,729.56 is: 2,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.19 : 3,996.99 = 1,729.56 : x
  2. Step 2: Convert to fraction form
    2,666.19/3,996.99 = 1,729.56/x
  3. Step 3: Cross multiply
    2,666.19x = 3,996.99 × 1,729.56
  4. Step 4: Simplify right side
    2,666.19x = 6,913,034.02
  5. Step 5: Solve for x
    x = 6,913,034.02/2,666.19
  6. Step 6: Final answer
    x = 2,592.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.