Home / 2,703.41-3,726.68-2,172.11

Finding the Fourth Proportional to 2,703.41, 3,726.68 and 2,172.11

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Solution

The fourth proportional to 2,703.41, 3,726.68 and 2,172.11 is: 2,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.41 : 3,726.68 = 2,172.11 : x
  2. Step 2: Convert to fraction form
    2,703.41/3,726.68 = 2,172.11/x
  3. Step 3: Cross multiply
    2,703.41x = 3,726.68 × 2,172.11
  4. Step 4: Simplify right side
    2,703.41x = 8,094,729.40
  5. Step 5: Solve for x
    x = 8,094,729.40/2,703.41
  6. Step 6: Final answer
    x = 2,994.27

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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.