Home / 3,435.08-5,151.22-1,680.84

Finding the Fourth Proportional to 3,435.08, 5,151.22 and 1,680.84

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Solution

The fourth proportional to 3,435.08, 5,151.22 and 1,680.84 is: 2,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.08 : 5,151.22 = 1,680.84 : x
  2. Step 2: Convert to fraction form
    3,435.08/5,151.22 = 1,680.84/x
  3. Step 3: Cross multiply
    3,435.08x = 5,151.22 × 1,680.84
  4. Step 4: Simplify right side
    3,435.08x = 8,658,376.62
  5. Step 5: Solve for x
    x = 8,658,376.62/3,435.08
  6. Step 6: Final answer
    x = 2,520.57

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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.