Home / 2,664.11-3,672.88-1,866.36

Finding the Fourth Proportional to 2,664.11, 3,672.88 and 1,866.36

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Solution

The fourth proportional to 2,664.11, 3,672.88 and 1,866.36 is: 2,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.11 : 3,672.88 = 1,866.36 : x
  2. Step 2: Convert to fraction form
    2,664.11/3,672.88 = 1,866.36/x
  3. Step 3: Cross multiply
    2,664.11x = 3,672.88 × 1,866.36
  4. Step 4: Simplify right side
    2,664.11x = 6,854,916.32
  5. Step 5: Solve for x
    x = 6,854,916.32/2,664.11
  6. Step 6: Final answer
    x = 2,573.06

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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.