Home / 2,914.68-4,022.36-1,655.79

Finding the Fourth Proportional to 2,914.68, 4,022.36 and 1,655.79

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Solution

The fourth proportional to 2,914.68, 4,022.36 and 1,655.79 is: 2,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.68 : 4,022.36 = 1,655.79 : x
  2. Step 2: Convert to fraction form
    2,914.68/4,022.36 = 1,655.79/x
  3. Step 3: Cross multiply
    2,914.68x = 4,022.36 × 1,655.79
  4. Step 4: Simplify right side
    2,914.68x = 6,660,183.46
  5. Step 5: Solve for x
    x = 6,660,183.46/2,914.68
  6. Step 6: Final answer
    x = 2,285.05

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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.