Home / 3,080.57-4,250.70-1,754.30

Finding the Fourth Proportional to 3,080.57, 4,250.70 and 1,754.30

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Solution

The fourth proportional to 3,080.57, 4,250.70 and 1,754.30 is: 2,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.57 : 4,250.70 = 1,754.30 : x
  2. Step 2: Convert to fraction form
    3,080.57/4,250.70 = 1,754.30/x
  3. Step 3: Cross multiply
    3,080.57x = 4,250.70 × 1,754.30
  4. Step 4: Simplify right side
    3,080.57x = 7,456,994.24
  5. Step 5: Solve for x
    x = 7,456,994.24/3,080.57
  6. Step 6: Final answer
    x = 2,420.65

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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.