Home / 1,823.87-2,735.78-574.55

Finding the Fourth Proportional to 1,823.87, 2,735.78 and 574.55

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Solution

The fourth proportional to 1,823.87, 2,735.78 and 574.55 is: 861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.87 : 2,735.78 = 574.55 : x
  2. Step 2: Convert to fraction form
    1,823.87/2,735.78 = 574.55/x
  3. Step 3: Cross multiply
    1,823.87x = 2,735.78 × 574.55
  4. Step 4: Simplify right side
    1,823.87x = 1,571,850.67
  5. Step 5: Solve for x
    x = 1,571,850.67/1,823.87
  6. Step 6: Final answer
    x = 861.82

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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.