Home / 1,881.85-2,816.56-1,747.39

Finding the Fourth Proportional to 1,881.85, 2,816.56 and 1,747.39

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Solution

The fourth proportional to 1,881.85, 2,816.56 and 1,747.39 is: 2,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.85 : 2,816.56 = 1,747.39 : x
  2. Step 2: Convert to fraction form
    1,881.85/2,816.56 = 1,747.39/x
  3. Step 3: Cross multiply
    1,881.85x = 2,816.56 × 1,747.39
  4. Step 4: Simplify right side
    1,881.85x = 4,921,628.78
  5. Step 5: Solve for x
    x = 4,921,628.78/1,881.85
  6. Step 6: Final answer
    x = 2,615.31

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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.