Home / 1,505.36-2,257.00-811.33

Finding the Fourth Proportional to 1,505.36, 2,257.00 and 811.33

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Solution

The fourth proportional to 1,505.36, 2,257.00 and 811.33 is: 1,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.36 : 2,257.00 = 811.33 : x
  2. Step 2: Convert to fraction form
    1,505.36/2,257.00 = 811.33/x
  3. Step 3: Cross multiply
    1,505.36x = 2,257.00 × 811.33
  4. Step 4: Simplify right side
    1,505.36x = 1,831,164.14
  5. Step 5: Solve for x
    x = 1,831,164.14/1,505.36
  6. Step 6: Final answer
    x = 1,216.43

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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.