Home / 2,073.31-3,110.63-612.47

Finding the Fourth Proportional to 2,073.31, 3,110.63 and 612.47

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Solution

The fourth proportional to 2,073.31, 3,110.63 and 612.47 is: 918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.31 : 3,110.63 = 612.47 : x
  2. Step 2: Convert to fraction form
    2,073.31/3,110.63 = 612.47/x
  3. Step 3: Cross multiply
    2,073.31x = 3,110.63 × 612.47
  4. Step 4: Simplify right side
    2,073.31x = 1,905,172.27
  5. Step 5: Solve for x
    x = 1,905,172.27/2,073.31
  6. Step 6: Final answer
    x = 918.90

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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.