Home / 3,681.42-5,505.48-2,361.90

Finding the Fourth Proportional to 3,681.42, 5,505.48 and 2,361.90

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Solution

The fourth proportional to 3,681.42, 5,505.48 and 2,361.90 is: 3,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.42 : 5,505.48 = 2,361.90 : x
  2. Step 2: Convert to fraction form
    3,681.42/5,505.48 = 2,361.90/x
  3. Step 3: Cross multiply
    3,681.42x = 5,505.48 × 2,361.90
  4. Step 4: Simplify right side
    3,681.42x = 13,003,393.21
  5. Step 5: Solve for x
    x = 13,003,393.21/3,681.42
  6. Step 6: Final answer
    x = 3,532.17

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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.