Home / 3,080.78-4,621.68-1,694.77

Finding the Fourth Proportional to 3,080.78, 4,621.68 and 1,694.77

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Solution

The fourth proportional to 3,080.78, 4,621.68 and 1,694.77 is: 2,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.78 : 4,621.68 = 1,694.77 : x
  2. Step 2: Convert to fraction form
    3,080.78/4,621.68 = 1,694.77/x
  3. Step 3: Cross multiply
    3,080.78x = 4,621.68 × 1,694.77
  4. Step 4: Simplify right side
    3,080.78x = 7,832,703.82
  5. Step 5: Solve for x
    x = 7,832,703.82/3,080.78
  6. Step 6: Final answer
    x = 2,542.44

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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.