Home / 3,099.67-4,272.55-2,539.15

Finding the Fourth Proportional to 3,099.67, 4,272.55 and 2,539.15

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Solution

The fourth proportional to 3,099.67, 4,272.55 and 2,539.15 is: 3,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.67 : 4,272.55 = 2,539.15 : x
  2. Step 2: Convert to fraction form
    3,099.67/4,272.55 = 2,539.15/x
  3. Step 3: Cross multiply
    3,099.67x = 4,272.55 × 2,539.15
  4. Step 4: Simplify right side
    3,099.67x = 10,848,628.30
  5. Step 5: Solve for x
    x = 10,848,628.30/3,099.67
  6. Step 6: Final answer
    x = 3,499.93

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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.