Home / 1,606.62-2,216.40-943.46

Finding the Fourth Proportional to 1,606.62, 2,216.40 and 943.46

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Solution

The fourth proportional to 1,606.62, 2,216.40 and 943.46 is: 1,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.62 : 2,216.40 = 943.46 : x
  2. Step 2: Convert to fraction form
    1,606.62/2,216.40 = 943.46/x
  3. Step 3: Cross multiply
    1,606.62x = 2,216.40 × 943.46
  4. Step 4: Simplify right side
    1,606.62x = 2,091,084.74
  5. Step 5: Solve for x
    x = 2,091,084.74/1,606.62
  6. Step 6: Final answer
    x = 1,301.54

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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.