Home / 3,158.09-4,359.93-2,216.77

Finding the Fourth Proportional to 3,158.09, 4,359.93 and 2,216.77

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Solution

The fourth proportional to 3,158.09, 4,359.93 and 2,216.77 is: 3,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.09 : 4,359.93 = 2,216.77 : x
  2. Step 2: Convert to fraction form
    3,158.09/4,359.93 = 2,216.77/x
  3. Step 3: Cross multiply
    3,158.09x = 4,359.93 × 2,216.77
  4. Step 4: Simplify right side
    3,158.09x = 9,664,942.81
  5. Step 5: Solve for x
    x = 9,664,942.81/3,158.09
  6. Step 6: Final answer
    x = 3,060.38

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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.