Home / 3,080.10-4,250.49-1,682.85

Finding the Fourth Proportional to 3,080.10, 4,250.49 and 1,682.85

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Solution

The fourth proportional to 3,080.10, 4,250.49 and 1,682.85 is: 2,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.10 : 4,250.49 = 1,682.85 : x
  2. Step 2: Convert to fraction form
    3,080.10/4,250.49 = 1,682.85/x
  3. Step 3: Cross multiply
    3,080.10x = 4,250.49 × 1,682.85
  4. Step 4: Simplify right side
    3,080.10x = 7,152,937.10
  5. Step 5: Solve for x
    x = 7,152,937.10/3,080.10
  6. Step 6: Final answer
    x = 2,322.31

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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.