Home / 1,053.10-1,453.26-611.07

Finding the Fourth Proportional to 1,053.10, 1,453.26 and 611.07

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Solution

The fourth proportional to 1,053.10, 1,453.26 and 611.07 is: 843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.10 : 1,453.26 = 611.07 : x
  2. Step 2: Convert to fraction form
    1,053.10/1,453.26 = 611.07/x
  3. Step 3: Cross multiply
    1,053.10x = 1,453.26 × 611.07
  4. Step 4: Simplify right side
    1,053.10x = 888,040.53
  5. Step 5: Solve for x
    x = 888,040.53/1,053.10
  6. Step 6: Final answer
    x = 843.27

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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.