Home / 2,196.10-3,029.09-2,123.78

Finding the Fourth Proportional to 2,196.10, 3,029.09 and 2,123.78

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Solution

The fourth proportional to 2,196.10, 3,029.09 and 2,123.78 is: 2,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.10 : 3,029.09 = 2,123.78 : x
  2. Step 2: Convert to fraction form
    2,196.10/3,029.09 = 2,123.78/x
  3. Step 3: Cross multiply
    2,196.10x = 3,029.09 × 2,123.78
  4. Step 4: Simplify right side
    2,196.10x = 6,433,117.71
  5. Step 5: Solve for x
    x = 6,433,117.71/2,196.10
  6. Step 6: Final answer
    x = 2,929.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.