Home / 2,485.90-3,724.26-2,077.66

Finding the Fourth Proportional to 2,485.90, 3,724.26 and 2,077.66

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Solution

The fourth proportional to 2,485.90, 3,724.26 and 2,077.66 is: 3,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.90 : 3,724.26 = 2,077.66 : x
  2. Step 2: Convert to fraction form
    2,485.90/3,724.26 = 2,077.66/x
  3. Step 3: Cross multiply
    2,485.90x = 3,724.26 × 2,077.66
  4. Step 4: Simplify right side
    2,485.90x = 7,737,746.03
  5. Step 5: Solve for x
    x = 7,737,746.03/2,485.90
  6. Step 6: Final answer
    x = 3,112.65

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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.