Home / 2,622.31-3,947.82-2,392.67

Finding the Fourth Proportional to 2,622.31, 3,947.82 and 2,392.67

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Solution

The fourth proportional to 2,622.31, 3,947.82 and 2,392.67 is: 3,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.31 : 3,947.82 = 2,392.67 : x
  2. Step 2: Convert to fraction form
    2,622.31/3,947.82 = 2,392.67/x
  3. Step 3: Cross multiply
    2,622.31x = 3,947.82 × 2,392.67
  4. Step 4: Simplify right side
    2,622.31x = 9,445,843.26
  5. Step 5: Solve for x
    x = 9,445,843.26/2,622.31
  6. Step 6: Final answer
    x = 3,602.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.