Home / 2,793.90-4,190.96-1,149.40

Finding the Fourth Proportional to 2,793.90, 4,190.96 and 1,149.40

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Solution

The fourth proportional to 2,793.90, 4,190.96 and 1,149.40 is: 1,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.90 : 4,190.96 = 1,149.40 : x
  2. Step 2: Convert to fraction form
    2,793.90/4,190.96 = 1,149.40/x
  3. Step 3: Cross multiply
    2,793.90x = 4,190.96 × 1,149.40
  4. Step 4: Simplify right side
    2,793.90x = 4,817,089.42
  5. Step 5: Solve for x
    x = 4,817,089.42/2,793.90
  6. Step 6: Final answer
    x = 1,724.15

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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.