Home / 3,905.21-5,858.41-1,684.67

Finding the Fourth Proportional to 3,905.21, 5,858.41 and 1,684.67

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Solution

The fourth proportional to 3,905.21, 5,858.41 and 1,684.67 is: 2,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.21 : 5,858.41 = 1,684.67 : x
  2. Step 2: Convert to fraction form
    3,905.21/5,858.41 = 1,684.67/x
  3. Step 3: Cross multiply
    3,905.21x = 5,858.41 × 1,684.67
  4. Step 4: Simplify right side
    3,905.21x = 9,869,457.23
  5. Step 5: Solve for x
    x = 9,869,457.23/3,905.21
  6. Step 6: Final answer
    x = 2,527.25

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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.