Home / 2,361.35-3,539.30-1,388.14

Finding the Fourth Proportional to 2,361.35, 3,539.30 and 1,388.14

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Solution

The fourth proportional to 2,361.35, 3,539.30 and 1,388.14 is: 2,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.35 : 3,539.30 = 1,388.14 : x
  2. Step 2: Convert to fraction form
    2,361.35/3,539.30 = 1,388.14/x
  3. Step 3: Cross multiply
    2,361.35x = 3,539.30 × 1,388.14
  4. Step 4: Simplify right side
    2,361.35x = 4,913,028.11
  5. Step 5: Solve for x
    x = 4,913,028.11/2,361.35
  6. Step 6: Final answer
    x = 2,080.60

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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.