Home / 2,360.25-3,539.82-972.21

Finding the Fourth Proportional to 2,360.25, 3,539.82 and 972.21

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Solution

The fourth proportional to 2,360.25, 3,539.82 and 972.21 is: 1,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.25 : 3,539.82 = 972.21 : x
  2. Step 2: Convert to fraction form
    2,360.25/3,539.82 = 972.21/x
  3. Step 3: Cross multiply
    2,360.25x = 3,539.82 × 972.21
  4. Step 4: Simplify right side
    2,360.25x = 3,441,448.40
  5. Step 5: Solve for x
    x = 3,441,448.40/2,360.25
  6. Step 6: Final answer
    x = 1,458.09

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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.