Home / 3,491.24-4,814.34-2,311.88

Finding the Fourth Proportional to 3,491.24, 4,814.34 and 2,311.88

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Solution

The fourth proportional to 3,491.24, 4,814.34 and 2,311.88 is: 3,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.24 : 4,814.34 = 2,311.88 : x
  2. Step 2: Convert to fraction form
    3,491.24/4,814.34 = 2,311.88/x
  3. Step 3: Cross multiply
    3,491.24x = 4,814.34 × 2,311.88
  4. Step 4: Simplify right side
    3,491.24x = 11,130,176.36
  5. Step 5: Solve for x
    x = 11,130,176.36/3,491.24
  6. Step 6: Final answer
    x = 3,188.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.