Home / 2,835.28-3,911.25-1,841.11

Finding the Fourth Proportional to 2,835.28, 3,911.25 and 1,841.11

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Solution

The fourth proportional to 2,835.28, 3,911.25 and 1,841.11 is: 2,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.28 : 3,911.25 = 1,841.11 : x
  2. Step 2: Convert to fraction form
    2,835.28/3,911.25 = 1,841.11/x
  3. Step 3: Cross multiply
    2,835.28x = 3,911.25 × 1,841.11
  4. Step 4: Simplify right side
    2,835.28x = 7,201,041.49
  5. Step 5: Solve for x
    x = 7,201,041.49/2,835.28
  6. Step 6: Final answer
    x = 2,539.80

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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.