Home / 3,423.16-5,136.02-1,372.60

Finding the Fourth Proportional to 3,423.16, 5,136.02 and 1,372.60

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Solution

The fourth proportional to 3,423.16, 5,136.02 and 1,372.60 is: 2,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.16 : 5,136.02 = 1,372.60 : x
  2. Step 2: Convert to fraction form
    3,423.16/5,136.02 = 1,372.60/x
  3. Step 3: Cross multiply
    3,423.16x = 5,136.02 × 1,372.60
  4. Step 4: Simplify right side
    3,423.16x = 7,049,701.05
  5. Step 5: Solve for x
    x = 7,049,701.05/3,423.16
  6. Step 6: Final answer
    x = 2,059.41

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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.