Home / 2,740.08-4,110.12-1,200

Finding the Fourth Proportional to 2,740.08, 4,110.12 and 1,200

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Solution

The fourth proportional to 2,740.08, 4,110.12 and 1,200 is: 1,800

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.08 : 4,110.12 = 1,200 : x
  2. Step 2: Convert to fraction form
    2,740.08/4,110.12 = 1,200/x
  3. Step 3: Cross multiply
    2,740.08x = 4,110.12 × 1,200
  4. Step 4: Simplify right side
    2,740.08x = 4,932,144
  5. Step 5: Solve for x
    x = 4,932,144/2,740.08
  6. Step 6: Final answer
    x = 1,800

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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.