Home / 3,080.34-4,620.54-1,348.56

Finding the Fourth Proportional to 3,080.34, 4,620.54 and 1,348.56

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Solution

The fourth proportional to 3,080.34, 4,620.54 and 1,348.56 is: 2,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.34 : 4,620.54 = 1,348.56 : x
  2. Step 2: Convert to fraction form
    3,080.34/4,620.54 = 1,348.56/x
  3. Step 3: Cross multiply
    3,080.34x = 4,620.54 × 1,348.56
  4. Step 4: Simplify right side
    3,080.34x = 6,231,075.42
  5. Step 5: Solve for x
    x = 6,231,075.42/3,080.34
  6. Step 6: Final answer
    x = 2,022.85

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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.