Home / 1,744.20-2,406.24-1,081.35

Finding the Fourth Proportional to 1,744.20, 2,406.24 and 1,081.35

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Solution

The fourth proportional to 1,744.20, 2,406.24 and 1,081.35 is: 1,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.20 : 2,406.24 = 1,081.35 : x
  2. Step 2: Convert to fraction form
    1,744.20/2,406.24 = 1,081.35/x
  3. Step 3: Cross multiply
    1,744.20x = 2,406.24 × 1,081.35
  4. Step 4: Simplify right side
    1,744.20x = 2,601,987.62
  5. Step 5: Solve for x
    x = 2,601,987.62/1,744.20
  6. Step 6: Final answer
    x = 1,491.79

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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.