Home / 2,218.72-3,060.36-1,693.84

Finding the Fourth Proportional to 2,218.72, 3,060.36 and 1,693.84

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Solution

The fourth proportional to 2,218.72, 3,060.36 and 1,693.84 is: 2,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.72 : 3,060.36 = 1,693.84 : x
  2. Step 2: Convert to fraction form
    2,218.72/3,060.36 = 1,693.84/x
  3. Step 3: Cross multiply
    2,218.72x = 3,060.36 × 1,693.84
  4. Step 4: Simplify right side
    2,218.72x = 5,183,760.18
  5. Step 5: Solve for x
    x = 5,183,760.18/2,218.72
  6. Step 6: Final answer
    x = 2,336.37

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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.