Home / 2,861.16-4,291.78-1,012.24

Finding the Fourth Proportional to 2,861.16, 4,291.78 and 1,012.24

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Solution

The fourth proportional to 2,861.16, 4,291.78 and 1,012.24 is: 1,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.16 : 4,291.78 = 1,012.24 : x
  2. Step 2: Convert to fraction form
    2,861.16/4,291.78 = 1,012.24/x
  3. Step 3: Cross multiply
    2,861.16x = 4,291.78 × 1,012.24
  4. Step 4: Simplify right side
    2,861.16x = 4,344,311.39
  5. Step 5: Solve for x
    x = 4,344,311.39/2,861.16
  6. Step 6: Final answer
    x = 1,518.37

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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.