Home / 1,396.13-1,930.25-1,334.93

Finding the Fourth Proportional to 1,396.13, 1,930.25 and 1,334.93

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Solution

The fourth proportional to 1,396.13, 1,930.25 and 1,334.93 is: 1,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.13 : 1,930.25 = 1,334.93 : x
  2. Step 2: Convert to fraction form
    1,396.13/1,930.25 = 1,334.93/x
  3. Step 3: Cross multiply
    1,396.13x = 1,930.25 × 1,334.93
  4. Step 4: Simplify right side
    1,396.13x = 2,576,742.32
  5. Step 5: Solve for x
    x = 2,576,742.32/1,396.13
  6. Step 6: Final answer
    x = 1,845.64

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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.