Home / 3,224.21-4,449.65-1,807.91

Finding the Fourth Proportional to 3,224.21, 4,449.65 and 1,807.91

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Solution

The fourth proportional to 3,224.21, 4,449.65 and 1,807.91 is: 2,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.21 : 4,449.65 = 1,807.91 : x
  2. Step 2: Convert to fraction form
    3,224.21/4,449.65 = 1,807.91/x
  3. Step 3: Cross multiply
    3,224.21x = 4,449.65 × 1,807.91
  4. Step 4: Simplify right side
    3,224.21x = 8,044,549.00
  5. Step 5: Solve for x
    x = 8,044,549.00/3,224.21
  6. Step 6: Final answer
    x = 2,495.04

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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.