Home / 3,654.65-5,043.46-2,218.60

Finding the Fourth Proportional to 3,654.65, 5,043.46 and 2,218.60

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Solution

The fourth proportional to 3,654.65, 5,043.46 and 2,218.60 is: 3,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.65 : 5,043.46 = 2,218.60 : x
  2. Step 2: Convert to fraction form
    3,654.65/5,043.46 = 2,218.60/x
  3. Step 3: Cross multiply
    3,654.65x = 5,043.46 × 2,218.60
  4. Step 4: Simplify right side
    3,654.65x = 11,189,395.14
  5. Step 5: Solve for x
    x = 11,189,395.14/3,654.65
  6. Step 6: Final answer
    x = 3,061.69

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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.