Home / 4,453.58-6,680.68-1,680.18

Finding the Fourth Proportional to 4,453.58, 6,680.68 and 1,680.18

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Solution

The fourth proportional to 4,453.58, 6,680.68 and 1,680.18 is: 2,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.58 : 6,680.68 = 1,680.18 : x
  2. Step 2: Convert to fraction form
    4,453.58/6,680.68 = 1,680.18/x
  3. Step 3: Cross multiply
    4,453.58x = 6,680.68 × 1,680.18
  4. Step 4: Simplify right side
    4,453.58x = 11,224,715.67
  5. Step 5: Solve for x
    x = 11,224,715.67/4,453.58
  6. Step 6: Final answer
    x = 2,520.38

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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.