Home / 3,080.93-4,251.69-1,683.68

Finding the Fourth Proportional to 3,080.93, 4,251.69 and 1,683.68

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Solution

The fourth proportional to 3,080.93, 4,251.69 and 1,683.68 is: 2,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.93 : 4,251.69 = 1,683.68 : x
  2. Step 2: Convert to fraction form
    3,080.93/4,251.69 = 1,683.68/x
  3. Step 3: Cross multiply
    3,080.93x = 4,251.69 × 1,683.68
  4. Step 4: Simplify right side
    3,080.93x = 7,158,485.42
  5. Step 5: Solve for x
    x = 7,158,485.42/3,080.93
  6. Step 6: Final answer
    x = 2,323.48

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1.5x scale

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.