Home / 4,591.40-6,890.17-1,669.70

Finding the Fourth Proportional to 4,591.40, 6,890.17 and 1,669.70

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Solution

The fourth proportional to 4,591.40, 6,890.17 and 1,669.70 is: 2,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.40 : 6,890.17 = 1,669.70 : x
  2. Step 2: Convert to fraction form
    4,591.40/6,890.17 = 1,669.70/x
  3. Step 3: Cross multiply
    4,591.40x = 6,890.17 × 1,669.70
  4. Step 4: Simplify right side
    4,591.40x = 11,504,516.85
  5. Step 5: Solve for x
    x = 11,504,516.85/4,591.40
  6. Step 6: Final answer
    x = 2,505.67

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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.