Home / 2,798.16-3,869.82-2,457.96

Finding the Fourth Proportional to 2,798.16, 3,869.82 and 2,457.96

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Solution

The fourth proportional to 2,798.16, 3,869.82 and 2,457.96 is: 3,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.16 : 3,869.82 = 2,457.96 : x
  2. Step 2: Convert to fraction form
    2,798.16/3,869.82 = 2,457.96/x
  3. Step 3: Cross multiply
    2,798.16x = 3,869.82 × 2,457.96
  4. Step 4: Simplify right side
    2,798.16x = 9,511,862.77
  5. Step 5: Solve for x
    x = 9,511,862.77/2,798.16
  6. Step 6: Final answer
    x = 3,399.33

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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.