Home / 3,081.60-4,616.64-2,056.32

Finding the Fourth Proportional to 3,081.60, 4,616.64 and 2,056.32

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Solution

The fourth proportional to 3,081.60, 4,616.64 and 2,056.32 is: 3,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.60 : 4,616.64 = 2,056.32 : x
  2. Step 2: Convert to fraction form
    3,081.60/4,616.64 = 2,056.32/x
  3. Step 3: Cross multiply
    3,081.60x = 4,616.64 × 2,056.32
  4. Step 4: Simplify right side
    3,081.60x = 9,493,289.16
  5. Step 5: Solve for x
    x = 9,493,289.16/3,081.60
  6. Step 6: Final answer
    x = 3,080.64

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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.