Home / 3,387.42-5,084.74-2,845.52

Finding the Fourth Proportional to 3,387.42, 5,084.74 and 2,845.52

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Solution

The fourth proportional to 3,387.42, 5,084.74 and 2,845.52 is: 4,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.42 : 5,084.74 = 2,845.52 : x
  2. Step 2: Convert to fraction form
    3,387.42/5,084.74 = 2,845.52/x
  3. Step 3: Cross multiply
    3,387.42x = 5,084.74 × 2,845.52
  4. Step 4: Simplify right side
    3,387.42x = 14,468,729.36
  5. Step 5: Solve for x
    x = 14,468,729.36/3,387.42
  6. Step 6: Final answer
    x = 4,271.31

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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.