Home / 3,053.23-4,216.40-2,111.41

Finding the Fourth Proportional to 3,053.23, 4,216.40 and 2,111.41

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Solution

The fourth proportional to 3,053.23, 4,216.40 and 2,111.41 is: 2,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.23 : 4,216.40 = 2,111.41 : x
  2. Step 2: Convert to fraction form
    3,053.23/4,216.40 = 2,111.41/x
  3. Step 3: Cross multiply
    3,053.23x = 4,216.40 × 2,111.41
  4. Step 4: Simplify right side
    3,053.23x = 8,902,549.12
  5. Step 5: Solve for x
    x = 8,902,549.12/3,053.23
  6. Step 6: Final answer
    x = 2,915.78

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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.