Home / 3,423.69-5,136.75-1,476.05

Finding the Fourth Proportional to 3,423.69, 5,136.75 and 1,476.05

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Solution

The fourth proportional to 3,423.69, 5,136.75 and 1,476.05 is: 2,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.69 : 5,136.75 = 1,476.05 : x
  2. Step 2: Convert to fraction form
    3,423.69/5,136.75 = 1,476.05/x
  3. Step 3: Cross multiply
    3,423.69x = 5,136.75 × 1,476.05
  4. Step 4: Simplify right side
    3,423.69x = 7,582,074.15
  5. Step 5: Solve for x
    x = 7,582,074.15/3,423.69
  6. Step 6: Final answer
    x = 2,214.59

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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.