Home / 4,021.80-6,031.73-1,100.12

Finding the Fourth Proportional to 4,021.80, 6,031.73 and 1,100.12

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Solution

The fourth proportional to 4,021.80, 6,031.73 and 1,100.12 is: 1,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.80 : 6,031.73 = 1,100.12 : x
  2. Step 2: Convert to fraction form
    4,021.80/6,031.73 = 1,100.12/x
  3. Step 3: Cross multiply
    4,021.80x = 6,031.73 × 1,100.12
  4. Step 4: Simplify right side
    4,021.80x = 6,635,626.81
  5. Step 5: Solve for x
    x = 6,635,626.81/4,021.80
  6. Step 6: Final answer
    x = 1,649.91

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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.