Home / 1,253.00-1,727.73-1,136.36

Finding the Fourth Proportional to 1,253.00, 1,727.73 and 1,136.36

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Solution

The fourth proportional to 1,253.00, 1,727.73 and 1,136.36 is: 1,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253.00 : 1,727.73 = 1,136.36 : x
  2. Step 2: Convert to fraction form
    1,253.00/1,727.73 = 1,136.36/x
  3. Step 3: Cross multiply
    1,253.00x = 1,727.73 × 1,136.36
  4. Step 4: Simplify right side
    1,253.00x = 1,963,327.58
  5. Step 5: Solve for x
    x = 1,963,327.58/1,253.00
  6. Step 6: Final answer
    x = 1,566.90

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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.