Home / 1,438.33-2,153.28-1,093.03

Finding the Fourth Proportional to 1,438.33, 2,153.28 and 1,093.03

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Solution

The fourth proportional to 1,438.33, 2,153.28 and 1,093.03 is: 1,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438.33 : 2,153.28 = 1,093.03 : x
  2. Step 2: Convert to fraction form
    1,438.33/2,153.28 = 1,093.03/x
  3. Step 3: Cross multiply
    1,438.33x = 2,153.28 × 1,093.03
  4. Step 4: Simplify right side
    1,438.33x = 2,353,599.64
  5. Step 5: Solve for x
    x = 2,353,599.64/1,438.33
  6. Step 6: Final answer
    x = 1,636.34

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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.