Home / 2,902.28-4,356.54-1,172.04

Finding the Fourth Proportional to 2,902.28, 4,356.54 and 1,172.04

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Solution

The fourth proportional to 2,902.28, 4,356.54 and 1,172.04 is: 1,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.28 : 4,356.54 = 1,172.04 : x
  2. Step 2: Convert to fraction form
    2,902.28/4,356.54 = 1,172.04/x
  3. Step 3: Cross multiply
    2,902.28x = 4,356.54 × 1,172.04
  4. Step 4: Simplify right side
    2,902.28x = 5,106,039.14
  5. Step 5: Solve for x
    x = 5,106,039.14/2,902.28
  6. Step 6: Final answer
    x = 1,759.32

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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.