Home / 1,872.19-2,584.73-1,664.61

Finding the Fourth Proportional to 1,872.19, 2,584.73 and 1,664.61

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Solution

The fourth proportional to 1,872.19, 2,584.73 and 1,664.61 is: 2,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.19 : 2,584.73 = 1,664.61 : x
  2. Step 2: Convert to fraction form
    1,872.19/2,584.73 = 1,664.61/x
  3. Step 3: Cross multiply
    1,872.19x = 2,584.73 × 1,664.61
  4. Step 4: Simplify right side
    1,872.19x = 4,302,567.41
  5. Step 5: Solve for x
    x = 4,302,567.41/1,872.19
  6. Step 6: Final answer
    x = 2,298.15

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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.