Home / 4,121.78-6,182.95-1,656.60

Finding the Fourth Proportional to 4,121.78, 6,182.95 and 1,656.60

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Solution

The fourth proportional to 4,121.78, 6,182.95 and 1,656.60 is: 2,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.78 : 6,182.95 = 1,656.60 : x
  2. Step 2: Convert to fraction form
    4,121.78/6,182.95 = 1,656.60/x
  3. Step 3: Cross multiply
    4,121.78x = 6,182.95 × 1,656.60
  4. Step 4: Simplify right side
    4,121.78x = 10,242,657.44
  5. Step 5: Solve for x
    x = 10,242,657.44/4,121.78
  6. Step 6: Final answer
    x = 2,485.01

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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.