Home / 1,739.54-2,606.51-1,189.86

Finding the Fourth Proportional to 1,739.54, 2,606.51 and 1,189.86

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Solution

The fourth proportional to 1,739.54, 2,606.51 and 1,189.86 is: 1,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.54 : 2,606.51 = 1,189.86 : x
  2. Step 2: Convert to fraction form
    1,739.54/2,606.51 = 1,189.86/x
  3. Step 3: Cross multiply
    1,739.54x = 2,606.51 × 1,189.86
  4. Step 4: Simplify right side
    1,739.54x = 3,101,381.99
  5. Step 5: Solve for x
    x = 3,101,381.99/1,739.54
  6. Step 6: Final answer
    x = 1,782.87

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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.