Home / 2,136.93-3,205.82-904.33

Finding the Fourth Proportional to 2,136.93, 3,205.82 and 904.33

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Solution

The fourth proportional to 2,136.93, 3,205.82 and 904.33 is: 1,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.93 : 3,205.82 = 904.33 : x
  2. Step 2: Convert to fraction form
    2,136.93/3,205.82 = 904.33/x
  3. Step 3: Cross multiply
    2,136.93x = 3,205.82 × 904.33
  4. Step 4: Simplify right side
    2,136.93x = 2,899,119.20
  5. Step 5: Solve for x
    x = 2,899,119.20/2,136.93
  6. Step 6: Final answer
    x = 1,356.67

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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.