Home / 3,080.07-4,250.48-1,682.82

Finding the Fourth Proportional to 3,080.07, 4,250.48 and 1,682.82

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Solution

The fourth proportional to 3,080.07, 4,250.48 and 1,682.82 is: 2,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.07 : 4,250.48 = 1,682.82 : x
  2. Step 2: Convert to fraction form
    3,080.07/4,250.48 = 1,682.82/x
  3. Step 3: Cross multiply
    3,080.07x = 4,250.48 × 1,682.82
  4. Step 4: Simplify right side
    3,080.07x = 7,152,792.75
  5. Step 5: Solve for x
    x = 7,152,792.75/3,080.07
  6. Step 6: Final answer
    x = 2,322.28

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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.