Home / 3,080.34-4,252.86-2,370.78

Finding the Fourth Proportional to 3,080.34, 4,252.86 and 2,370.78

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Solution

The fourth proportional to 3,080.34, 4,252.86 and 2,370.78 is: 3,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.34 : 4,252.86 = 2,370.78 : x
  2. Step 2: Convert to fraction form
    3,080.34/4,252.86 = 2,370.78/x
  3. Step 3: Cross multiply
    3,080.34x = 4,252.86 × 2,370.78
  4. Step 4: Simplify right side
    3,080.34x = 10,082,595.43
  5. Step 5: Solve for x
    x = 10,082,595.43/3,080.34
  6. Step 6: Final answer
    x = 3,273.21

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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.