Home / 1,738.58-2,607.87-440.06

Finding the Fourth Proportional to 1,738.58, 2,607.87 and 440.06

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Solution

The fourth proportional to 1,738.58, 2,607.87 and 440.06 is: 660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.58 : 2,607.87 = 440.06 : x
  2. Step 2: Convert to fraction form
    1,738.58/2,607.87 = 440.06/x
  3. Step 3: Cross multiply
    1,738.58x = 2,607.87 × 440.06
  4. Step 4: Simplify right side
    1,738.58x = 1,147,619.27
  5. Step 5: Solve for x
    x = 1,147,619.27/1,738.58
  6. Step 6: Final answer
    x = 660.09

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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.