Home / 2,231.51-3,349.31-1,136.63

Finding the Fourth Proportional to 2,231.51, 3,349.31 and 1,136.63

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Solution

The fourth proportional to 2,231.51, 3,349.31 and 1,136.63 is: 1,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.51 : 3,349.31 = 1,136.63 : x
  2. Step 2: Convert to fraction form
    2,231.51/3,349.31 = 1,136.63/x
  3. Step 3: Cross multiply
    2,231.51x = 3,349.31 × 1,136.63
  4. Step 4: Simplify right side
    2,231.51x = 3,806,926.23
  5. Step 5: Solve for x
    x = 3,806,926.23/2,231.51
  6. Step 6: Final answer
    x = 1,705.99

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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.