Home / 3,709.55-5,558.46-3,012.84

Finding the Fourth Proportional to 3,709.55, 5,558.46 and 3,012.84

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Solution

The fourth proportional to 3,709.55, 5,558.46 and 3,012.84 is: 4,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.55 : 5,558.46 = 3,012.84 : x
  2. Step 2: Convert to fraction form
    3,709.55/5,558.46 = 3,012.84/x
  3. Step 3: Cross multiply
    3,709.55x = 5,558.46 × 3,012.84
  4. Step 4: Simplify right side
    3,709.55x = 16,746,749.46
  5. Step 5: Solve for x
    x = 16,746,749.46/3,709.55
  6. Step 6: Final answer
    x = 4,514.50

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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.