Home / 2,676.61-3,695.21-1,837.81

Finding the Fourth Proportional to 2,676.61, 3,695.21 and 1,837.81

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Solution

The fourth proportional to 2,676.61, 3,695.21 and 1,837.81 is: 2,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.61 : 3,695.21 = 1,837.81 : x
  2. Step 2: Convert to fraction form
    2,676.61/3,695.21 = 1,837.81/x
  3. Step 3: Cross multiply
    2,676.61x = 3,695.21 × 1,837.81
  4. Step 4: Simplify right side
    2,676.61x = 6,791,093.89
  5. Step 5: Solve for x
    x = 6,791,093.89/2,676.61
  6. Step 6: Final answer
    x = 2,537.20

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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.