Home / 3,462.82-4,778.66-1,890.92

Finding the Fourth Proportional to 3,462.82, 4,778.66 and 1,890.92

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Solution

The fourth proportional to 3,462.82, 4,778.66 and 1,890.92 is: 2,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.82 : 4,778.66 = 1,890.92 : x
  2. Step 2: Convert to fraction form
    3,462.82/4,778.66 = 1,890.92/x
  3. Step 3: Cross multiply
    3,462.82x = 4,778.66 × 1,890.92
  4. Step 4: Simplify right side
    3,462.82x = 9,036,080.44
  5. Step 5: Solve for x
    x = 9,036,080.44/3,462.82
  6. Step 6: Final answer
    x = 2,609.46

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1.5x scale

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.