Home / 1,739.72-2,607.30-1,519.81

Finding the Fourth Proportional to 1,739.72, 2,607.30 and 1,519.81

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Solution

The fourth proportional to 1,739.72, 2,607.30 and 1,519.81 is: 2,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.72 : 2,607.30 = 1,519.81 : x
  2. Step 2: Convert to fraction form
    1,739.72/2,607.30 = 1,519.81/x
  3. Step 3: Cross multiply
    1,739.72x = 2,607.30 × 1,519.81
  4. Step 4: Simplify right side
    1,739.72x = 3,962,603.87
  5. Step 5: Solve for x
    x = 3,962,603.87/1,739.72
  6. Step 6: Final answer
    x = 2,277.73

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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.