Home / 2,772.63-3,824.91-1,876.05

Finding the Fourth Proportional to 2,772.63, 3,824.91 and 1,876.05

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Solution

The fourth proportional to 2,772.63, 3,824.91 and 1,876.05 is: 2,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.63 : 3,824.91 = 1,876.05 : x
  2. Step 2: Convert to fraction form
    2,772.63/3,824.91 = 1,876.05/x
  3. Step 3: Cross multiply
    2,772.63x = 3,824.91 × 1,876.05
  4. Step 4: Simplify right side
    2,772.63x = 7,175,722.41
  5. Step 5: Solve for x
    x = 7,175,722.41/2,772.63
  6. Step 6: Final answer
    x = 2,588.06

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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.