Home / 2,762.15-4,141.44-1,181.90

Finding the Fourth Proportional to 2,762.15, 4,141.44 and 1,181.90

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Solution

The fourth proportional to 2,762.15, 4,141.44 and 1,181.90 is: 1,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.15 : 4,141.44 = 1,181.90 : x
  2. Step 2: Convert to fraction form
    2,762.15/4,141.44 = 1,181.90/x
  3. Step 3: Cross multiply
    2,762.15x = 4,141.44 × 1,181.90
  4. Step 4: Simplify right side
    2,762.15x = 4,894,756.30
  5. Step 5: Solve for x
    x = 4,894,756.30/2,762.15
  6. Step 6: Final answer
    x = 1,772.08

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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.