Home / 3,161.32-4,741.98-1,212.46

Finding the Fourth Proportional to 3,161.32, 4,741.98 and 1,212.46

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Solution

The fourth proportional to 3,161.32, 4,741.98 and 1,212.46 is: 1,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.32 : 4,741.98 = 1,212.46 : x
  2. Step 2: Convert to fraction form
    3,161.32/4,741.98 = 1,212.46/x
  3. Step 3: Cross multiply
    3,161.32x = 4,741.98 × 1,212.46
  4. Step 4: Simplify right side
    3,161.32x = 5,749,461.07
  5. Step 5: Solve for x
    x = 5,749,461.07/3,161.32
  6. Step 6: Final answer
    x = 1,818.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.