Home / 1,394.29-1,925.81-1,103.41

Finding the Fourth Proportional to 1,394.29, 1,925.81 and 1,103.41

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Solution

The fourth proportional to 1,394.29, 1,925.81 and 1,103.41 is: 1,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.29 : 1,925.81 = 1,103.41 : x
  2. Step 2: Convert to fraction form
    1,394.29/1,925.81 = 1,103.41/x
  3. Step 3: Cross multiply
    1,394.29x = 1,925.81 × 1,103.41
  4. Step 4: Simplify right side
    1,394.29x = 2,124,958.01
  5. Step 5: Solve for x
    x = 2,124,958.01/1,394.29
  6. Step 6: Final answer
    x = 1,524.04

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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.