Home / 3,428.41-5,135.76-1,576.99

Finding the Fourth Proportional to 3,428.41, 5,135.76 and 1,576.99

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Solution

The fourth proportional to 3,428.41, 5,135.76 and 1,576.99 is: 2,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.41 : 5,135.76 = 1,576.99 : x
  2. Step 2: Convert to fraction form
    3,428.41/5,135.76 = 1,576.99/x
  3. Step 3: Cross multiply
    3,428.41x = 5,135.76 × 1,576.99
  4. Step 4: Simplify right side
    3,428.41x = 8,099,042.16
  5. Step 5: Solve for x
    x = 8,099,042.16/3,428.41
  6. Step 6: Final answer
    x = 2,362.33

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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.