Home / 3,056.92-4,216.37-2,805.66

Finding the Fourth Proportional to 3,056.92, 4,216.37 and 2,805.66

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Solution

The fourth proportional to 3,056.92, 4,216.37 and 2,805.66 is: 3,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.92 : 4,216.37 = 2,805.66 : x
  2. Step 2: Convert to fraction form
    3,056.92/4,216.37 = 2,805.66/x
  3. Step 3: Cross multiply
    3,056.92x = 4,216.37 × 2,805.66
  4. Step 4: Simplify right side
    3,056.92x = 11,829,686.63
  5. Step 5: Solve for x
    x = 11,829,686.63/3,056.92
  6. Step 6: Final answer
    x = 3,869.81

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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.