Home / 1,910.14-2,865.11-523.45

Finding the Fourth Proportional to 1,910.14, 2,865.11 and 523.45

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Solution

The fourth proportional to 1,910.14, 2,865.11 and 523.45 is: 785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.14 : 2,865.11 = 523.45 : x
  2. Step 2: Convert to fraction form
    1,910.14/2,865.11 = 523.45/x
  3. Step 3: Cross multiply
    1,910.14x = 2,865.11 × 523.45
  4. Step 4: Simplify right side
    1,910.14x = 1,499,741.83
  5. Step 5: Solve for x
    x = 1,499,741.83/1,910.14
  6. Step 6: Final answer
    x = 785.15

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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.