Home / 2,740.96-4,120.35-2,199.07

Finding the Fourth Proportional to 2,740.96, 4,120.35 and 2,199.07

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Solution

The fourth proportional to 2,740.96, 4,120.35 and 2,199.07 is: 3,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.96 : 4,120.35 = 2,199.07 : x
  2. Step 2: Convert to fraction form
    2,740.96/4,120.35 = 2,199.07/x
  3. Step 3: Cross multiply
    2,740.96x = 4,120.35 × 2,199.07
  4. Step 4: Simplify right side
    2,740.96x = 9,060,938.07
  5. Step 5: Solve for x
    x = 9,060,938.07/2,740.96
  6. Step 6: Final answer
    x = 3,305.75

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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.