Home / 3,224.69-4,449.91-1,898.31

Finding the Fourth Proportional to 3,224.69, 4,449.91 and 1,898.31

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Solution

The fourth proportional to 3,224.69, 4,449.91 and 1,898.31 is: 2,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.69 : 4,449.91 = 1,898.31 : x
  2. Step 2: Convert to fraction form
    3,224.69/4,449.91 = 1,898.31/x
  3. Step 3: Cross multiply
    3,224.69x = 4,449.91 × 1,898.31
  4. Step 4: Simplify right side
    3,224.69x = 8,447,276.91
  5. Step 5: Solve for x
    x = 8,447,276.91/3,224.69
  6. Step 6: Final answer
    x = 2,619.57

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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.