Home / 4,121.64-6,184.86-1,656.68

Finding the Fourth Proportional to 4,121.64, 6,184.86 and 1,656.68

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Solution

The fourth proportional to 4,121.64, 6,184.86 and 1,656.68 is: 2,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.64 : 6,184.86 = 1,656.68 : x
  2. Step 2: Convert to fraction form
    4,121.64/6,184.86 = 1,656.68/x
  3. Step 3: Cross multiply
    4,121.64x = 6,184.86 × 1,656.68
  4. Step 4: Simplify right side
    4,121.64x = 10,246,333.86
  5. Step 5: Solve for x
    x = 10,246,333.86/4,121.64
  6. Step 6: Final answer
    x = 2,485.98

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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.