Home / 2,835.90-3,904.29-2,237.31

Finding the Fourth Proportional to 2,835.90, 3,904.29 and 2,237.31

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Solution

The fourth proportional to 2,835.90, 3,904.29 and 2,237.31 is: 3,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.90 : 3,904.29 = 2,237.31 : x
  2. Step 2: Convert to fraction form
    2,835.90/3,904.29 = 2,237.31/x
  3. Step 3: Cross multiply
    2,835.90x = 3,904.29 × 2,237.31
  4. Step 4: Simplify right side
    2,835.90x = 8,735,107.06
  5. Step 5: Solve for x
    x = 8,735,107.06/2,835.90
  6. Step 6: Final answer
    x = 3,080.19

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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.