Home / 3,881.40-5,810.64-2,562.72

Finding the Fourth Proportional to 3,881.40, 5,810.64 and 2,562.72

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Solution

The fourth proportional to 3,881.40, 5,810.64 and 2,562.72 is: 3,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.40 : 5,810.64 = 2,562.72 : x
  2. Step 2: Convert to fraction form
    3,881.40/5,810.64 = 2,562.72/x
  3. Step 3: Cross multiply
    3,881.40x = 5,810.64 × 2,562.72
  4. Step 4: Simplify right side
    3,881.40x = 14,891,043.34
  5. Step 5: Solve for x
    x = 14,891,043.34/3,881.40
  6. Step 6: Final answer
    x = 3,836.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.