Home / 2,915.63-4,023.62-1,589.35

Finding the Fourth Proportional to 2,915.63, 4,023.62 and 1,589.35

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Solution

The fourth proportional to 2,915.63, 4,023.62 and 1,589.35 is: 2,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.63 : 4,023.62 = 1,589.35 : x
  2. Step 2: Convert to fraction form
    2,915.63/4,023.62 = 1,589.35/x
  3. Step 3: Cross multiply
    2,915.63x = 4,023.62 × 1,589.35
  4. Step 4: Simplify right side
    2,915.63x = 6,394,940.45
  5. Step 5: Solve for x
    x = 6,394,940.45/2,915.63
  6. Step 6: Final answer
    x = 2,193.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.