Home / 3,055.68-4,216.86-1,658.43

Finding the Fourth Proportional to 3,055.68, 4,216.86 and 1,658.43

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Solution

The fourth proportional to 3,055.68, 4,216.86 and 1,658.43 is: 2,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.68 : 4,216.86 = 1,658.43 : x
  2. Step 2: Convert to fraction form
    3,055.68/4,216.86 = 1,658.43/x
  3. Step 3: Cross multiply
    3,055.68x = 4,216.86 × 1,658.43
  4. Step 4: Simplify right side
    3,055.68x = 6,993,367.13
  5. Step 5: Solve for x
    x = 6,993,367.13/3,055.68
  6. Step 6: Final answer
    x = 2,288.65

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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.