Home / 3,355.51-4,630.84-1,939.67

Finding the Fourth Proportional to 3,355.51, 4,630.84 and 1,939.67

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Solution

The fourth proportional to 3,355.51, 4,630.84 and 1,939.67 is: 2,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.51 : 4,630.84 = 1,939.67 : x
  2. Step 2: Convert to fraction form
    3,355.51/4,630.84 = 1,939.67/x
  3. Step 3: Cross multiply
    3,355.51x = 4,630.84 × 1,939.67
  4. Step 4: Simplify right side
    3,355.51x = 8,982,291.72
  5. Step 5: Solve for x
    x = 8,982,291.72/3,355.51
  6. Step 6: Final answer
    x = 2,676.88

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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.