Home / 1,922.10-2,650.41-1,479.03

Finding the Fourth Proportional to 1,922.10, 2,650.41 and 1,479.03

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Solution

The fourth proportional to 1,922.10, 2,650.41 and 1,479.03 is: 2,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.10 : 2,650.41 = 1,479.03 : x
  2. Step 2: Convert to fraction form
    1,922.10/2,650.41 = 1,479.03/x
  3. Step 3: Cross multiply
    1,922.10x = 2,650.41 × 1,479.03
  4. Step 4: Simplify right side
    1,922.10x = 3,920,035.90
  5. Step 5: Solve for x
    x = 3,920,035.90/1,922.10
  6. Step 6: Final answer
    x = 2,039.45

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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.