Home / 2,273.56-3,136.80-1,328.67

Finding the Fourth Proportional to 2,273.56, 3,136.80 and 1,328.67

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Solution

The fourth proportional to 2,273.56, 3,136.80 and 1,328.67 is: 1,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.56 : 3,136.80 = 1,328.67 : x
  2. Step 2: Convert to fraction form
    2,273.56/3,136.80 = 1,328.67/x
  3. Step 3: Cross multiply
    2,273.56x = 3,136.80 × 1,328.67
  4. Step 4: Simplify right side
    2,273.56x = 4,167,772.06
  5. Step 5: Solve for x
    x = 4,167,772.06/2,273.56
  6. Step 6: Final answer
    x = 1,833.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.