Home / 1,872.42-2,582.19-1,480.38

Finding the Fourth Proportional to 1,872.42, 2,582.19 and 1,480.38

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Solution

The fourth proportional to 1,872.42, 2,582.19 and 1,480.38 is: 2,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.42 : 2,582.19 = 1,480.38 : x
  2. Step 2: Convert to fraction form
    1,872.42/2,582.19 = 1,480.38/x
  3. Step 3: Cross multiply
    1,872.42x = 2,582.19 × 1,480.38
  4. Step 4: Simplify right side
    1,872.42x = 3,822,622.43
  5. Step 5: Solve for x
    x = 3,822,622.43/1,872.42
  6. Step 6: Final answer
    x = 2,041.54

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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.