Home / 2,740.12-4,114.28-1,571.44

Finding the Fourth Proportional to 2,740.12, 4,114.28 and 1,571.44

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Solution

The fourth proportional to 2,740.12, 4,114.28 and 1,571.44 is: 2,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.12 : 4,114.28 = 1,571.44 : x
  2. Step 2: Convert to fraction form
    2,740.12/4,114.28 = 1,571.44/x
  3. Step 3: Cross multiply
    2,740.12x = 4,114.28 × 1,571.44
  4. Step 4: Simplify right side
    2,740.12x = 6,465,344.16
  5. Step 5: Solve for x
    x = 6,465,344.16/2,740.12
  6. Step 6: Final answer
    x = 2,359.51

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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.