Home / 1,683.28-2,525.92-1,200.32

Finding the Fourth Proportional to 1,683.28, 2,525.92 and 1,200.32

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Solution

The fourth proportional to 1,683.28, 2,525.92 and 1,200.32 is: 1,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.28 : 2,525.92 = 1,200.32 : x
  2. Step 2: Convert to fraction form
    1,683.28/2,525.92 = 1,200.32/x
  3. Step 3: Cross multiply
    1,683.28x = 2,525.92 × 1,200.32
  4. Step 4: Simplify right side
    1,683.28x = 3,031,912.29
  5. Step 5: Solve for x
    x = 3,031,912.29/1,683.28
  6. Step 6: Final answer
    x = 1,801.19

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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.