Home / 2,486.90-3,730.46-1,829.59

Finding the Fourth Proportional to 2,486.90, 3,730.46 and 1,829.59

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Solution

The fourth proportional to 2,486.90, 3,730.46 and 1,829.59 is: 2,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.90 : 3,730.46 = 1,829.59 : x
  2. Step 2: Convert to fraction form
    2,486.90/3,730.46 = 1,829.59/x
  3. Step 3: Cross multiply
    2,486.90x = 3,730.46 × 1,829.59
  4. Step 4: Simplify right side
    2,486.90x = 6,825,193.84
  5. Step 5: Solve for x
    x = 6,825,193.84/2,486.90
  6. Step 6: Final answer
    x = 2,744.46

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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.