Home / 2,795.78-4,188.80-1,494.92

Finding the Fourth Proportional to 2,795.78, 4,188.80 and 1,494.92

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Solution

The fourth proportional to 2,795.78, 4,188.80 and 1,494.92 is: 2,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.78 : 4,188.80 = 1,494.92 : x
  2. Step 2: Convert to fraction form
    2,795.78/4,188.80 = 1,494.92/x
  3. Step 3: Cross multiply
    2,795.78x = 4,188.80 × 1,494.92
  4. Step 4: Simplify right side
    2,795.78x = 6,261,920.90
  5. Step 5: Solve for x
    x = 6,261,920.90/2,795.78
  6. Step 6: Final answer
    x = 2,239.78

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1.5x scale

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.