Home / 2,919.33-4,031.37-1,873.22

Finding the Fourth Proportional to 2,919.33, 4,031.37 and 1,873.22

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Solution

The fourth proportional to 2,919.33, 4,031.37 and 1,873.22 is: 2,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.33 : 4,031.37 = 1,873.22 : x
  2. Step 2: Convert to fraction form
    2,919.33/4,031.37 = 1,873.22/x
  3. Step 3: Cross multiply
    2,919.33x = 4,031.37 × 1,873.22
  4. Step 4: Simplify right side
    2,919.33x = 7,551,622.75
  5. Step 5: Solve for x
    x = 7,551,622.75/2,919.33
  6. Step 6: Final answer
    x = 2,586.77

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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.