Home / 3,683.25-5,526.09-1,490.78

Finding the Fourth Proportional to 3,683.25, 5,526.09 and 1,490.78

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Solution

The fourth proportional to 3,683.25, 5,526.09 and 1,490.78 is: 2,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.25 : 5,526.09 = 1,490.78 : x
  2. Step 2: Convert to fraction form
    3,683.25/5,526.09 = 1,490.78/x
  3. Step 3: Cross multiply
    3,683.25x = 5,526.09 × 1,490.78
  4. Step 4: Simplify right side
    3,683.25x = 8,238,198.27
  5. Step 5: Solve for x
    x = 8,238,198.27/3,683.25
  6. Step 6: Final answer
    x = 2,236.67

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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.