Home / 1,433.97-2,138.87-1,302.75

Finding the Fourth Proportional to 1,433.97, 2,138.87 and 1,302.75

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Solution

The fourth proportional to 1,433.97, 2,138.87 and 1,302.75 is: 1,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.97 : 2,138.87 = 1,302.75 : x
  2. Step 2: Convert to fraction form
    1,433.97/2,138.87 = 1,302.75/x
  3. Step 3: Cross multiply
    1,433.97x = 2,138.87 × 1,302.75
  4. Step 4: Simplify right side
    1,433.97x = 2,786,416.15
  5. Step 5: Solve for x
    x = 2,786,416.15/1,433.97
  6. Step 6: Final answer
    x = 1,943.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.