Home / 3,404.30-5,106.74-1,212.48

Finding the Fourth Proportional to 3,404.30, 5,106.74 and 1,212.48

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Solution

The fourth proportional to 3,404.30, 5,106.74 and 1,212.48 is: 1,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.30 : 5,106.74 = 1,212.48 : x
  2. Step 2: Convert to fraction form
    3,404.30/5,106.74 = 1,212.48/x
  3. Step 3: Cross multiply
    3,404.30x = 5,106.74 × 1,212.48
  4. Step 4: Simplify right side
    3,404.30x = 6,191,814.05
  5. Step 5: Solve for x
    x = 6,191,814.05/3,404.30
  6. Step 6: Final answer
    x = 1,818.82

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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.