Home / 3,836.98-5,750.88-1,985.32

Finding the Fourth Proportional to 3,836.98, 5,750.88 and 1,985.32

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Solution

The fourth proportional to 3,836.98, 5,750.88 and 1,985.32 is: 2,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.98 : 5,750.88 = 1,985.32 : x
  2. Step 2: Convert to fraction form
    3,836.98/5,750.88 = 1,985.32/x
  3. Step 3: Cross multiply
    3,836.98x = 5,750.88 × 1,985.32
  4. Step 4: Simplify right side
    3,836.98x = 11,417,337.08
  5. Step 5: Solve for x
    x = 11,417,337.08/3,836.98
  6. Step 6: Final answer
    x = 2,975.61

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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.