Home / 2,031.89-3,048.27-626.31

Finding the Fourth Proportional to 2,031.89, 3,048.27 and 626.31

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Solution

The fourth proportional to 2,031.89, 3,048.27 and 626.31 is: 939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.89 : 3,048.27 = 626.31 : x
  2. Step 2: Convert to fraction form
    2,031.89/3,048.27 = 626.31/x
  3. Step 3: Cross multiply
    2,031.89x = 3,048.27 × 626.31
  4. Step 4: Simplify right side
    2,031.89x = 1,909,161.98
  5. Step 5: Solve for x
    x = 1,909,161.98/2,031.89
  6. Step 6: Final answer
    x = 939.60

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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.