Home / 1,872.03-2,584.32-1,126.56

Finding the Fourth Proportional to 1,872.03, 2,584.32 and 1,126.56

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Solution

The fourth proportional to 1,872.03, 2,584.32 and 1,126.56 is: 1,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.03 : 2,584.32 = 1,126.56 : x
  2. Step 2: Convert to fraction form
    1,872.03/2,584.32 = 1,126.56/x
  3. Step 3: Cross multiply
    1,872.03x = 2,584.32 × 1,126.56
  4. Step 4: Simplify right side
    1,872.03x = 2,911,391.54
  5. Step 5: Solve for x
    x = 2,911,391.54/1,872.03
  6. Step 6: Final answer
    x = 1,555.21

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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.