Home / 3,394.21-4,683.60-1,901.79

Finding the Fourth Proportional to 3,394.21, 4,683.60 and 1,901.79

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Solution

The fourth proportional to 3,394.21, 4,683.60 and 1,901.79 is: 2,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.21 : 4,683.60 = 1,901.79 : x
  2. Step 2: Convert to fraction form
    3,394.21/4,683.60 = 1,901.79/x
  3. Step 3: Cross multiply
    3,394.21x = 4,683.60 × 1,901.79
  4. Step 4: Simplify right side
    3,394.21x = 8,907,223.64
  5. Step 5: Solve for x
    x = 8,907,223.64/3,394.21
  6. Step 6: Final answer
    x = 2,624.24

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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.