Home / 3,080.65-4,246.91-1,900.93

Finding the Fourth Proportional to 3,080.65, 4,246.91 and 1,900.93

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Solution

The fourth proportional to 3,080.65, 4,246.91 and 1,900.93 is: 2,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.65 : 4,246.91 = 1,900.93 : x
  2. Step 2: Convert to fraction form
    3,080.65/4,246.91 = 1,900.93/x
  3. Step 3: Cross multiply
    3,080.65x = 4,246.91 × 1,900.93
  4. Step 4: Simplify right side
    3,080.65x = 8,073,069.12
  5. Step 5: Solve for x
    x = 8,073,069.12/3,080.65
  6. Step 6: Final answer
    x = 2,620.57

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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.