Home / 2,740.97-4,112.10-1,507.75

Finding the Fourth Proportional to 2,740.97, 4,112.10 and 1,507.75

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Solution

The fourth proportional to 2,740.97, 4,112.10 and 1,507.75 is: 2,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.97 : 4,112.10 = 1,507.75 : x
  2. Step 2: Convert to fraction form
    2,740.97/4,112.10 = 1,507.75/x
  3. Step 3: Cross multiply
    2,740.97x = 4,112.10 × 1,507.75
  4. Step 4: Simplify right side
    2,740.97x = 6,200,008.49
  5. Step 5: Solve for x
    x = 6,200,008.49/2,740.97
  6. Step 6: Final answer
    x = 2,261.97

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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.