Home / 2,057.46-2,838.58-1,172.62

Finding the Fourth Proportional to 2,057.46, 2,838.58 and 1,172.62

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Solution

The fourth proportional to 2,057.46, 2,838.58 and 1,172.62 is: 1,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.46 : 2,838.58 = 1,172.62 : x
  2. Step 2: Convert to fraction form
    2,057.46/2,838.58 = 1,172.62/x
  3. Step 3: Cross multiply
    2,057.46x = 2,838.58 × 1,172.62
  4. Step 4: Simplify right side
    2,057.46x = 3,328,575.68
  5. Step 5: Solve for x
    x = 3,328,575.68/2,057.46
  6. Step 6: Final answer
    x = 1,617.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.