Home / 1,723.51-2,586.80-1,136.87

Finding the Fourth Proportional to 1,723.51, 2,586.80 and 1,136.87

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Solution

The fourth proportional to 1,723.51, 2,586.80 and 1,136.87 is: 1,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.51 : 2,586.80 = 1,136.87 : x
  2. Step 2: Convert to fraction form
    1,723.51/2,586.80 = 1,136.87/x
  3. Step 3: Cross multiply
    1,723.51x = 2,586.80 × 1,136.87
  4. Step 4: Simplify right side
    1,723.51x = 2,940,855.32
  5. Step 5: Solve for x
    x = 2,940,855.32/1,723.51
  6. Step 6: Final answer
    x = 1,706.32

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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.