Home / 3,687.42-5,518.40-2,281.26

Finding the Fourth Proportional to 3,687.42, 5,518.40 and 2,281.26

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Solution

The fourth proportional to 3,687.42, 5,518.40 and 2,281.26 is: 3,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.42 : 5,518.40 = 2,281.26 : x
  2. Step 2: Convert to fraction form
    3,687.42/5,518.40 = 2,281.26/x
  3. Step 3: Cross multiply
    3,687.42x = 5,518.40 × 2,281.26
  4. Step 4: Simplify right side
    3,687.42x = 12,588,905.18
  5. Step 5: Solve for x
    x = 12,588,905.18/3,687.42
  6. Step 6: Final answer
    x = 3,414.01

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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.