Home / 2,382.23-3,284.29-1,635.91

Finding the Fourth Proportional to 2,382.23, 3,284.29 and 1,635.91

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Solution

The fourth proportional to 2,382.23, 3,284.29 and 1,635.91 is: 2,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.23 : 3,284.29 = 1,635.91 : x
  2. Step 2: Convert to fraction form
    2,382.23/3,284.29 = 1,635.91/x
  3. Step 3: Cross multiply
    2,382.23x = 3,284.29 × 1,635.91
  4. Step 4: Simplify right side
    2,382.23x = 5,372,802.85
  5. Step 5: Solve for x
    x = 5,372,802.85/2,382.23
  6. Step 6: Final answer
    x = 2,255.37

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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.