Home / 1,753.17-2,629.66-520.59

Finding the Fourth Proportional to 1,753.17, 2,629.66 and 520.59

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Solution

The fourth proportional to 1,753.17, 2,629.66 and 520.59 is: 780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.17 : 2,629.66 = 520.59 : x
  2. Step 2: Convert to fraction form
    1,753.17/2,629.66 = 520.59/x
  3. Step 3: Cross multiply
    1,753.17x = 2,629.66 × 520.59
  4. Step 4: Simplify right side
    1,753.17x = 1,368,960.25
  5. Step 5: Solve for x
    x = 1,368,960.25/1,753.17
  6. Step 6: Final answer
    x = 780.85

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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.