Home / 2,980.41-4,470.59-1,226.22

Finding the Fourth Proportional to 2,980.41, 4,470.59 and 1,226.22

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Solution

The fourth proportional to 2,980.41, 4,470.59 and 1,226.22 is: 1,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.41 : 4,470.59 = 1,226.22 : x
  2. Step 2: Convert to fraction form
    2,980.41/4,470.59 = 1,226.22/x
  3. Step 3: Cross multiply
    2,980.41x = 4,470.59 × 1,226.22
  4. Step 4: Simplify right side
    2,980.41x = 5,481,939.80
  5. Step 5: Solve for x
    x = 5,481,939.80/2,980.41
  6. Step 6: Final answer
    x = 1,839.32

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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.