Home / 1,763.27-2,433.20-977.25

Finding the Fourth Proportional to 1,763.27, 2,433.20 and 977.25

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Solution

The fourth proportional to 1,763.27, 2,433.20 and 977.25 is: 1,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.27 : 2,433.20 = 977.25 : x
  2. Step 2: Convert to fraction form
    1,763.27/2,433.20 = 977.25/x
  3. Step 3: Cross multiply
    1,763.27x = 2,433.20 × 977.25
  4. Step 4: Simplify right side
    1,763.27x = 2,377,839.81
  5. Step 5: Solve for x
    x = 2,377,839.81/1,763.27
  6. Step 6: Final answer
    x = 1,348.54

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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.