Home / 1,396.68-2,103.14-1,034.04

Finding the Fourth Proportional to 1,396.68, 2,103.14 and 1,034.04

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Solution

The fourth proportional to 1,396.68, 2,103.14 and 1,034.04 is: 1,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.68 : 2,103.14 = 1,034.04 : x
  2. Step 2: Convert to fraction form
    1,396.68/2,103.14 = 1,034.04/x
  3. Step 3: Cross multiply
    1,396.68x = 2,103.14 × 1,034.04
  4. Step 4: Simplify right side
    1,396.68x = 2,174,730.89
  5. Step 5: Solve for x
    x = 2,174,730.89/1,396.68
  6. Step 6: Final answer
    x = 1,557.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.