Home / 2,861.58-4,292.45-1,012.76

Finding the Fourth Proportional to 2,861.58, 4,292.45 and 1,012.76

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Solution

The fourth proportional to 2,861.58, 4,292.45 and 1,012.76 is: 1,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.58 : 4,292.45 = 1,012.76 : x
  2. Step 2: Convert to fraction form
    2,861.58/4,292.45 = 1,012.76/x
  3. Step 3: Cross multiply
    2,861.58x = 4,292.45 × 1,012.76
  4. Step 4: Simplify right side
    2,861.58x = 4,347,195.14
  5. Step 5: Solve for x
    x = 4,347,195.14/2,861.58
  6. Step 6: Final answer
    x = 1,519.16

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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.