Home / 1,136.30-1,701.68-1,054.26

Finding the Fourth Proportional to 1,136.30, 1,701.68 and 1,054.26

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Solution

The fourth proportional to 1,136.30, 1,701.68 and 1,054.26 is: 1,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.30 : 1,701.68 = 1,054.26 : x
  2. Step 2: Convert to fraction form
    1,136.30/1,701.68 = 1,054.26/x
  3. Step 3: Cross multiply
    1,136.30x = 1,701.68 × 1,054.26
  4. Step 4: Simplify right side
    1,136.30x = 1,794,007.89
  5. Step 5: Solve for x
    x = 1,794,007.89/1,136.30
  6. Step 6: Final answer
    x = 1,578.82

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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.