Home / 4,185.14-6,276.64-1,720.64

Finding the Fourth Proportional to 4,185.14, 6,276.64 and 1,720.64

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Solution

The fourth proportional to 4,185.14, 6,276.64 and 1,720.64 is: 2,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.14 : 6,276.64 = 1,720.64 : x
  2. Step 2: Convert to fraction form
    4,185.14/6,276.64 = 1,720.64/x
  3. Step 3: Cross multiply
    4,185.14x = 6,276.64 × 1,720.64
  4. Step 4: Simplify right side
    4,185.14x = 10,799,837.85
  5. Step 5: Solve for x
    x = 10,799,837.85/4,185.14
  6. Step 6: Final answer
    x = 2,580.52

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1.5x scale

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.