Home / 1,168.06-1,749.67-519.25

Finding the Fourth Proportional to 1,168.06, 1,749.67 and 519.25

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Solution

The fourth proportional to 1,168.06, 1,749.67 and 519.25 is: 777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.06 : 1,749.67 = 519.25 : x
  2. Step 2: Convert to fraction form
    1,168.06/1,749.67 = 519.25/x
  3. Step 3: Cross multiply
    1,168.06x = 1,749.67 × 519.25
  4. Step 4: Simplify right side
    1,168.06x = 908,510.48
  5. Step 5: Solve for x
    x = 908,510.48/1,168.06
  6. Step 6: Final answer
    x = 777.80

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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.