Home / 3,126.34-4,286.64-3,052.53

Finding the Fourth Proportional to 3,126.34, 4,286.64 and 3,052.53

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Solution

The fourth proportional to 3,126.34, 4,286.64 and 3,052.53 is: 4,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.34 : 4,286.64 = 3,052.53 : x
  2. Step 2: Convert to fraction form
    3,126.34/4,286.64 = 3,052.53/x
  3. Step 3: Cross multiply
    3,126.34x = 4,286.64 × 3,052.53
  4. Step 4: Simplify right side
    3,126.34x = 13,085,097.20
  5. Step 5: Solve for x
    x = 13,085,097.20/3,126.34
  6. Step 6: Final answer
    x = 4,185.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.