Home / 1,729.06-2,589.76-1,336.21

Finding the Fourth Proportional to 1,729.06, 2,589.76 and 1,336.21

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Solution

The fourth proportional to 1,729.06, 2,589.76 and 1,336.21 is: 2,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.06 : 2,589.76 = 1,336.21 : x
  2. Step 2: Convert to fraction form
    1,729.06/2,589.76 = 1,336.21/x
  3. Step 3: Cross multiply
    1,729.06x = 2,589.76 × 1,336.21
  4. Step 4: Simplify right side
    1,729.06x = 3,460,463.21
  5. Step 5: Solve for x
    x = 3,460,463.21/1,729.06
  6. Step 6: Final answer
    x = 2,001.36

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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.