Home / 3,406.81-4,703.33-2,212.87

Finding the Fourth Proportional to 3,406.81, 4,703.33 and 2,212.87

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Solution

The fourth proportional to 3,406.81, 4,703.33 and 2,212.87 is: 3,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.81 : 4,703.33 = 2,212.87 : x
  2. Step 2: Convert to fraction form
    3,406.81/4,703.33 = 2,212.87/x
  3. Step 3: Cross multiply
    3,406.81x = 4,703.33 × 2,212.87
  4. Step 4: Simplify right side
    3,406.81x = 10,407,857.86
  5. Step 5: Solve for x
    x = 10,407,857.86/3,406.81
  6. Step 6: Final answer
    x = 3,055.02

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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.