Home / 1,606.20-2,216.61-942.99

Finding the Fourth Proportional to 1,606.20, 2,216.61 and 942.99

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Solution

The fourth proportional to 1,606.20, 2,216.61 and 942.99 is: 1,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.20 : 2,216.61 = 942.99 : x
  2. Step 2: Convert to fraction form
    1,606.20/2,216.61 = 942.99/x
  3. Step 3: Cross multiply
    1,606.20x = 2,216.61 × 942.99
  4. Step 4: Simplify right side
    1,606.20x = 2,090,241.06
  5. Step 5: Solve for x
    x = 2,090,241.06/1,606.20
  6. Step 6: Final answer
    x = 1,301.36

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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.