Home / 3,056.91-4,216.92-1,935.87

Finding the Fourth Proportional to 3,056.91, 4,216.92 and 1,935.87

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Solution

The fourth proportional to 3,056.91, 4,216.92 and 1,935.87 is: 2,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.91 : 4,216.92 = 1,935.87 : x
  2. Step 2: Convert to fraction form
    3,056.91/4,216.92 = 1,935.87/x
  3. Step 3: Cross multiply
    3,056.91x = 4,216.92 × 1,935.87
  4. Step 4: Simplify right side
    3,056.91x = 8,163,408.92
  5. Step 5: Solve for x
    x = 8,163,408.92/3,056.91
  6. Step 6: Final answer
    x = 2,670.48

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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.