Home / 2,861.38-4,290.27-1,106.38

Finding the Fourth Proportional to 2,861.38, 4,290.27 and 1,106.38

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Solution

The fourth proportional to 2,861.38, 4,290.27 and 1,106.38 is: 1,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.38 : 4,290.27 = 1,106.38 : x
  2. Step 2: Convert to fraction form
    2,861.38/4,290.27 = 1,106.38/x
  3. Step 3: Cross multiply
    2,861.38x = 4,290.27 × 1,106.38
  4. Step 4: Simplify right side
    2,861.38x = 4,746,668.92
  5. Step 5: Solve for x
    x = 4,746,668.92/2,861.38
  6. Step 6: Final answer
    x = 1,658.87

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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.