Home / 2,615.82-3,924.96-1,642.62

Finding the Fourth Proportional to 2,615.82, 3,924.96 and 1,642.62

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Solution

The fourth proportional to 2,615.82, 3,924.96 and 1,642.62 is: 2,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.82 : 3,924.96 = 1,642.62 : x
  2. Step 2: Convert to fraction form
    2,615.82/3,924.96 = 1,642.62/x
  3. Step 3: Cross multiply
    2,615.82x = 3,924.96 × 1,642.62
  4. Step 4: Simplify right side
    2,615.82x = 6,447,217.80
  5. Step 5: Solve for x
    x = 6,447,217.80/2,615.82
  6. Step 6: Final answer
    x = 2,464.70

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1.5x scale

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.