Home / 2,530.85-3,789.77-2,310.53

Finding the Fourth Proportional to 2,530.85, 3,789.77 and 2,310.53

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Solution

The fourth proportional to 2,530.85, 3,789.77 and 2,310.53 is: 3,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.85 : 3,789.77 = 2,310.53 : x
  2. Step 2: Convert to fraction form
    2,530.85/3,789.77 = 2,310.53/x
  3. Step 3: Cross multiply
    2,530.85x = 3,789.77 × 2,310.53
  4. Step 4: Simplify right side
    2,530.85x = 8,756,346.78
  5. Step 5: Solve for x
    x = 8,756,346.78/2,530.85
  6. Step 6: Final answer
    x = 3,459.85

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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.