Home / 2,693.22-4,038.36-1,815.72

Finding the Fourth Proportional to 2,693.22, 4,038.36 and 1,815.72

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Solution

The fourth proportional to 2,693.22, 4,038.36 and 1,815.72 is: 2,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.22 : 4,038.36 = 1,815.72 : x
  2. Step 2: Convert to fraction form
    2,693.22/4,038.36 = 1,815.72/x
  3. Step 3: Cross multiply
    2,693.22x = 4,038.36 × 1,815.72
  4. Step 4: Simplify right side
    2,693.22x = 7,332,531.02
  5. Step 5: Solve for x
    x = 7,332,531.02/2,693.22
  6. Step 6: Final answer
    x = 2,722.59

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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.