Home / 3,087.30-4,617.20-2,742.86

Finding the Fourth Proportional to 3,087.30, 4,617.20 and 2,742.86

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Solution

The fourth proportional to 3,087.30, 4,617.20 and 2,742.86 is: 4,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.30 : 4,617.20 = 2,742.86 : x
  2. Step 2: Convert to fraction form
    3,087.30/4,617.20 = 2,742.86/x
  3. Step 3: Cross multiply
    3,087.30x = 4,617.20 × 2,742.86
  4. Step 4: Simplify right side
    3,087.30x = 12,664,333.19
  5. Step 5: Solve for x
    x = 12,664,333.19/3,087.30
  6. Step 6: Final answer
    x = 4,102.07

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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.