Home / 2,564.48-3,832.67-1,872.61

Finding the Fourth Proportional to 2,564.48, 3,832.67 and 1,872.61

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Solution

The fourth proportional to 2,564.48, 3,832.67 and 1,872.61 is: 2,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.48 : 3,832.67 = 1,872.61 : x
  2. Step 2: Convert to fraction form
    2,564.48/3,832.67 = 1,872.61/x
  3. Step 3: Cross multiply
    2,564.48x = 3,832.67 × 1,872.61
  4. Step 4: Simplify right side
    2,564.48x = 7,177,077.22
  5. Step 5: Solve for x
    x = 7,177,077.22/2,564.48
  6. Step 6: Final answer
    x = 2,798.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.