Home / 2,793.90-4,190.85-2,556.30

Finding the Fourth Proportional to 2,793.90, 4,190.85 and 2,556.30

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Solution

The fourth proportional to 2,793.90, 4,190.85 and 2,556.30 is: 3,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.90 : 4,190.85 = 2,556.30 : x
  2. Step 2: Convert to fraction form
    2,793.90/4,190.85 = 2,556.30/x
  3. Step 3: Cross multiply
    2,793.90x = 4,190.85 × 2,556.30
  4. Step 4: Simplify right side
    2,793.90x = 10,713,069.86
  5. Step 5: Solve for x
    x = 10,713,069.86/2,793.90
  6. Step 6: Final answer
    x = 3,834.45

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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.