Home / 2,483.85-3,425.45-1,986.51

Finding the Fourth Proportional to 2,483.85, 3,425.45 and 1,986.51

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Solution

The fourth proportional to 2,483.85, 3,425.45 and 1,986.51 is: 2,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.85 : 3,425.45 = 1,986.51 : x
  2. Step 2: Convert to fraction form
    2,483.85/3,425.45 = 1,986.51/x
  3. Step 3: Cross multiply
    2,483.85x = 3,425.45 × 1,986.51
  4. Step 4: Simplify right side
    2,483.85x = 6,804,680.75
  5. Step 5: Solve for x
    x = 6,804,680.75/2,483.85
  6. Step 6: Final answer
    x = 2,739.57

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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.