Home / 1,872.32-2,821.10-1,673.33

Finding the Fourth Proportional to 1,872.32, 2,821.10 and 1,673.33

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Solution

The fourth proportional to 1,872.32, 2,821.10 and 1,673.33 is: 2,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.32 : 2,821.10 = 1,673.33 : x
  2. Step 2: Convert to fraction form
    1,872.32/2,821.10 = 1,673.33/x
  3. Step 3: Cross multiply
    1,872.32x = 2,821.10 × 1,673.33
  4. Step 4: Simplify right side
    1,872.32x = 4,720,608.79
  5. Step 5: Solve for x
    x = 4,720,608.79/1,872.32
  6. Step 6: Final answer
    x = 2,521.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.