Home / 3,685.21-5,522.94-1,491.34

Finding the Fourth Proportional to 3,685.21, 5,522.94 and 1,491.34

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Solution

The fourth proportional to 3,685.21, 5,522.94 and 1,491.34 is: 2,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.21 : 5,522.94 = 1,491.34 : x
  2. Step 2: Convert to fraction form
    3,685.21/5,522.94 = 1,491.34/x
  3. Step 3: Cross multiply
    3,685.21x = 5,522.94 × 1,491.34
  4. Step 4: Simplify right side
    3,685.21x = 8,236,581.34
  5. Step 5: Solve for x
    x = 8,236,581.34/3,685.21
  6. Step 6: Final answer
    x = 2,235.04

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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.