Home / 2,899.35-3,999.62-1,835.31

Finding the Fourth Proportional to 2,899.35, 3,999.62 and 1,835.31

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Solution

The fourth proportional to 2,899.35, 3,999.62 and 1,835.31 is: 2,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.35 : 3,999.62 = 1,835.31 : x
  2. Step 2: Convert to fraction form
    2,899.35/3,999.62 = 1,835.31/x
  3. Step 3: Cross multiply
    2,899.35x = 3,999.62 × 1,835.31
  4. Step 4: Simplify right side
    2,899.35x = 7,340,533.41
  5. Step 5: Solve for x
    x = 7,340,533.41/2,899.35
  6. Step 6: Final answer
    x = 2,531.79

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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.