Home / 1,683.33-2,322.34-1,053.60

Finding the Fourth Proportional to 1,683.33, 2,322.34 and 1,053.60

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Solution

The fourth proportional to 1,683.33, 2,322.34 and 1,053.60 is: 1,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.33 : 2,322.34 = 1,053.60 : x
  2. Step 2: Convert to fraction form
    1,683.33/2,322.34 = 1,053.60/x
  3. Step 3: Cross multiply
    1,683.33x = 2,322.34 × 1,053.60
  4. Step 4: Simplify right side
    1,683.33x = 2,446,817.42
  5. Step 5: Solve for x
    x = 2,446,817.42/1,683.33
  6. Step 6: Final answer
    x = 1,453.56

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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.