Home / 1,044.95-1,441.45-939.25

Finding the Fourth Proportional to 1,044.95, 1,441.45 and 939.25

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Solution

The fourth proportional to 1,044.95, 1,441.45 and 939.25 is: 1,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.95 : 1,441.45 = 939.25 : x
  2. Step 2: Convert to fraction form
    1,044.95/1,441.45 = 939.25/x
  3. Step 3: Cross multiply
    1,044.95x = 1,441.45 × 939.25
  4. Step 4: Simplify right side
    1,044.95x = 1,353,875.96
  5. Step 5: Solve for x
    x = 1,353,875.96/1,044.95
  6. Step 6: Final answer
    x = 1,295.63

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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.