Home / 4,217.82-5,820.09-2,539.20

Finding the Fourth Proportional to 4,217.82, 5,820.09 and 2,539.20

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Solution

The fourth proportional to 4,217.82, 5,820.09 and 2,539.20 is: 3,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.82 : 5,820.09 = 2,539.20 : x
  2. Step 2: Convert to fraction form
    4,217.82/5,820.09 = 2,539.20/x
  3. Step 3: Cross multiply
    4,217.82x = 5,820.09 × 2,539.20
  4. Step 4: Simplify right side
    4,217.82x = 14,778,372.53
  5. Step 5: Solve for x
    x = 14,778,372.53/4,217.82
  6. Step 6: Final answer
    x = 3,503.79

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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.