Home / 2,381.75-3,284.61-1,876.69

Finding the Fourth Proportional to 2,381.75, 3,284.61 and 1,876.69

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Solution

The fourth proportional to 2,381.75, 3,284.61 and 1,876.69 is: 2,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.75 : 3,284.61 = 1,876.69 : x
  2. Step 2: Convert to fraction form
    2,381.75/3,284.61 = 1,876.69/x
  3. Step 3: Cross multiply
    2,381.75x = 3,284.61 × 1,876.69
  4. Step 4: Simplify right side
    2,381.75x = 6,164,194.74
  5. Step 5: Solve for x
    x = 6,164,194.74/2,381.75
  6. Step 6: Final answer
    x = 2,588.09

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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.