Home / 2,919.03-4,378.65-1,164.87

Finding the Fourth Proportional to 2,919.03, 4,378.65 and 1,164.87

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Solution

The fourth proportional to 2,919.03, 4,378.65 and 1,164.87 is: 1,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.03 : 4,378.65 = 1,164.87 : x
  2. Step 2: Convert to fraction form
    2,919.03/4,378.65 = 1,164.87/x
  3. Step 3: Cross multiply
    2,919.03x = 4,378.65 × 1,164.87
  4. Step 4: Simplify right side
    2,919.03x = 5,100,553.66
  5. Step 5: Solve for x
    x = 5,100,553.66/2,919.03
  6. Step 6: Final answer
    x = 1,747.35

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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.