Home / 3,055.74-4,216.80-1,658.46

Finding the Fourth Proportional to 3,055.74, 4,216.80 and 1,658.46

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Solution

The fourth proportional to 3,055.74, 4,216.80 and 1,658.46 is: 2,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.74 : 4,216.80 = 1,658.46 : x
  2. Step 2: Convert to fraction form
    3,055.74/4,216.80 = 1,658.46/x
  3. Step 3: Cross multiply
    3,055.74x = 4,216.80 × 1,658.46
  4. Step 4: Simplify right side
    3,055.74x = 6,993,394.13
  5. Step 5: Solve for x
    x = 6,993,394.13/3,055.74
  6. Step 6: Final answer
    x = 2,288.61

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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.