Home / 1,072.41-1,476.50-934.35

Finding the Fourth Proportional to 1,072.41, 1,476.50 and 934.35

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Solution

The fourth proportional to 1,072.41, 1,476.50 and 934.35 is: 1,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072.41 : 1,476.50 = 934.35 : x
  2. Step 2: Convert to fraction form
    1,072.41/1,476.50 = 934.35/x
  3. Step 3: Cross multiply
    1,072.41x = 1,476.50 × 934.35
  4. Step 4: Simplify right side
    1,072.41x = 1,379,563.10
  5. Step 5: Solve for x
    x = 1,379,563.10/1,072.41
  6. Step 6: Final answer
    x = 1,286.41

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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.