Home / 2,980.43-4,470.65-1,336.94

Finding the Fourth Proportional to 2,980.43, 4,470.65 and 1,336.94

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Solution

The fourth proportional to 2,980.43, 4,470.65 and 1,336.94 is: 2,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.43 : 4,470.65 = 1,336.94 : x
  2. Step 2: Convert to fraction form
    2,980.43/4,470.65 = 1,336.94/x
  3. Step 3: Cross multiply
    2,980.43x = 4,470.65 × 1,336.94
  4. Step 4: Simplify right side
    2,980.43x = 5,976,984.13
  5. Step 5: Solve for x
    x = 5,976,984.13/2,980.43
  6. Step 6: Final answer
    x = 2,005.41

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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.