Home / 3,021.74-4,171.46-1,903.22

Finding the Fourth Proportional to 3,021.74, 4,171.46 and 1,903.22

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Solution

The fourth proportional to 3,021.74, 4,171.46 and 1,903.22 is: 2,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.74 : 4,171.46 = 1,903.22 : x
  2. Step 2: Convert to fraction form
    3,021.74/4,171.46 = 1,903.22/x
  3. Step 3: Cross multiply
    3,021.74x = 4,171.46 × 1,903.22
  4. Step 4: Simplify right side
    3,021.74x = 7,939,206.10
  5. Step 5: Solve for x
    x = 7,939,206.10/3,021.74
  6. Step 6: Final answer
    x = 2,627.36

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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.