Home / 3,462.55-4,778.13-1,890.61

Finding the Fourth Proportional to 3,462.55, 4,778.13 and 1,890.61

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Solution

The fourth proportional to 3,462.55, 4,778.13 and 1,890.61 is: 2,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.55 : 4,778.13 = 1,890.61 : x
  2. Step 2: Convert to fraction form
    3,462.55/4,778.13 = 1,890.61/x
  3. Step 3: Cross multiply
    3,462.55x = 4,778.13 × 1,890.61
  4. Step 4: Simplify right side
    3,462.55x = 9,033,580.36
  5. Step 5: Solve for x
    x = 9,033,580.36/3,462.55
  6. Step 6: Final answer
    x = 2,608.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.