Home / 3,080.21-4,250.81-1,754.24

Finding the Fourth Proportional to 3,080.21, 4,250.81 and 1,754.24

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Solution

The fourth proportional to 3,080.21, 4,250.81 and 1,754.24 is: 2,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.21 : 4,250.81 = 1,754.24 : x
  2. Step 2: Convert to fraction form
    3,080.21/4,250.81 = 1,754.24/x
  3. Step 3: Cross multiply
    3,080.21x = 4,250.81 × 1,754.24
  4. Step 4: Simplify right side
    3,080.21x = 7,456,924.07
  5. Step 5: Solve for x
    x = 7,456,924.07/3,080.21
  6. Step 6: Final answer
    x = 2,420.92

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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.