Home / 3,835.90-5,290.23-2,995.30

Finding the Fourth Proportional to 3,835.90, 5,290.23 and 2,995.30

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Solution

The fourth proportional to 3,835.90, 5,290.23 and 2,995.30 is: 4,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.90 : 5,290.23 = 2,995.30 : x
  2. Step 2: Convert to fraction form
    3,835.90/5,290.23 = 2,995.30/x
  3. Step 3: Cross multiply
    3,835.90x = 5,290.23 × 2,995.30
  4. Step 4: Simplify right side
    3,835.90x = 15,845,825.92
  5. Step 5: Solve for x
    x = 15,845,825.92/3,835.90
  6. Step 6: Final answer
    x = 4,130.93

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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.