Home / 1,832.10-2,748.32-515.87

Finding the Fourth Proportional to 1,832.10, 2,748.32 and 515.87

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Solution

The fourth proportional to 1,832.10, 2,748.32 and 515.87 is: 773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.10 : 2,748.32 = 515.87 : x
  2. Step 2: Convert to fraction form
    1,832.10/2,748.32 = 515.87/x
  3. Step 3: Cross multiply
    1,832.10x = 2,748.32 × 515.87
  4. Step 4: Simplify right side
    1,832.10x = 1,417,759.52
  5. Step 5: Solve for x
    x = 1,417,759.52/1,832.10
  6. Step 6: Final answer
    x = 773.84

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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.