Home / 1,445.22-2,167.83-623.52

Finding the Fourth Proportional to 1,445.22, 2,167.83 and 623.52

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Solution

The fourth proportional to 1,445.22, 2,167.83 and 623.52 is: 935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.22 : 2,167.83 = 623.52 : x
  2. Step 2: Convert to fraction form
    1,445.22/2,167.83 = 623.52/x
  3. Step 3: Cross multiply
    1,445.22x = 2,167.83 × 623.52
  4. Step 4: Simplify right side
    1,445.22x = 1,351,685.36
  5. Step 5: Solve for x
    x = 1,351,685.36/1,445.22
  6. Step 6: Final answer
    x = 935.28

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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.