Home / 3,539.92-4,888.20-2,215.88

Finding the Fourth Proportional to 3,539.92, 4,888.20 and 2,215.88

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Solution

The fourth proportional to 3,539.92, 4,888.20 and 2,215.88 is: 3,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.92 : 4,888.20 = 2,215.88 : x
  2. Step 2: Convert to fraction form
    3,539.92/4,888.20 = 2,215.88/x
  3. Step 3: Cross multiply
    3,539.92x = 4,888.20 × 2,215.88
  4. Step 4: Simplify right side
    3,539.92x = 10,831,664.62
  5. Step 5: Solve for x
    x = 10,831,664.62/3,539.92
  6. Step 6: Final answer
    x = 3,059.86

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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.