Home / 3,687.53-5,090.14-2,271.44

Finding the Fourth Proportional to 3,687.53, 5,090.14 and 2,271.44

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Solution

The fourth proportional to 3,687.53, 5,090.14 and 2,271.44 is: 3,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.53 : 5,090.14 = 2,271.44 : x
  2. Step 2: Convert to fraction form
    3,687.53/5,090.14 = 2,271.44/x
  3. Step 3: Cross multiply
    3,687.53x = 5,090.14 × 2,271.44
  4. Step 4: Simplify right side
    3,687.53x = 11,561,963.17
  5. Step 5: Solve for x
    x = 11,561,963.17/3,687.53
  6. Step 6: Final answer
    x = 3,135.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.