Home / 3,201.20-4,802.23-1,642.01

Finding the Fourth Proportional to 3,201.20, 4,802.23 and 1,642.01

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Solution

The fourth proportional to 3,201.20, 4,802.23 and 1,642.01 is: 2,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.20 : 4,802.23 = 1,642.01 : x
  2. Step 2: Convert to fraction form
    3,201.20/4,802.23 = 1,642.01/x
  3. Step 3: Cross multiply
    3,201.20x = 4,802.23 × 1,642.01
  4. Step 4: Simplify right side
    3,201.20x = 7,885,309.68
  5. Step 5: Solve for x
    x = 7,885,309.68/3,201.20
  6. Step 6: Final answer
    x = 2,463.24

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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.