Home / 3,383.45-5,073.78-1,191.67

Finding the Fourth Proportional to 3,383.45, 5,073.78 and 1,191.67

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Solution

The fourth proportional to 3,383.45, 5,073.78 and 1,191.67 is: 1,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.45 : 5,073.78 = 1,191.67 : x
  2. Step 2: Convert to fraction form
    3,383.45/5,073.78 = 1,191.67/x
  3. Step 3: Cross multiply
    3,383.45x = 5,073.78 × 1,191.67
  4. Step 4: Simplify right side
    3,383.45x = 6,046,271.41
  5. Step 5: Solve for x
    x = 6,046,271.41/3,383.45
  6. Step 6: Final answer
    x = 1,787.01

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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.