Home / 4,231.27-6,341.59-2,151.80

Finding the Fourth Proportional to 4,231.27, 6,341.59 and 2,151.80

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Solution

The fourth proportional to 4,231.27, 6,341.59 and 2,151.80 is: 3,224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.27 : 6,341.59 = 2,151.80 : x
  2. Step 2: Convert to fraction form
    4,231.27/6,341.59 = 2,151.80/x
  3. Step 3: Cross multiply
    4,231.27x = 6,341.59 × 2,151.80
  4. Step 4: Simplify right side
    4,231.27x = 13,645,828.12
  5. Step 5: Solve for x
    x = 13,645,828.12/4,231.27
  6. Step 6: Final answer
    x = 3,224.99

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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.