Home / 1,433.79-2,150.69-1,176.75

Finding the Fourth Proportional to 1,433.79, 2,150.69 and 1,176.75

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Solution

The fourth proportional to 1,433.79, 2,150.69 and 1,176.75 is: 1,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.79 : 2,150.69 = 1,176.75 : x
  2. Step 2: Convert to fraction form
    1,433.79/2,150.69 = 1,176.75/x
  3. Step 3: Cross multiply
    1,433.79x = 2,150.69 × 1,176.75
  4. Step 4: Simplify right side
    1,433.79x = 2,530,818.57
  5. Step 5: Solve for x
    x = 2,530,818.57/1,433.79
  6. Step 6: Final answer
    x = 1,765.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.