Home / 2,311.21-3,466.57-1,256.67

Finding the Fourth Proportional to 2,311.21, 3,466.57 and 1,256.67

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Solution

The fourth proportional to 2,311.21, 3,466.57 and 1,256.67 is: 1,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.21 : 3,466.57 = 1,256.67 : x
  2. Step 2: Convert to fraction form
    2,311.21/3,466.57 = 1,256.67/x
  3. Step 3: Cross multiply
    2,311.21x = 3,466.57 × 1,256.67
  4. Step 4: Simplify right side
    2,311.21x = 4,356,331.76
  5. Step 5: Solve for x
    x = 4,356,331.76/2,311.21
  6. Step 6: Final answer
    x = 1,884.87

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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.