Home / 2,208.84-3,311.64-1,038.24

Finding the Fourth Proportional to 2,208.84, 3,311.64 and 1,038.24

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Solution

The fourth proportional to 2,208.84, 3,311.64 and 1,038.24 is: 1,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.84 : 3,311.64 = 1,038.24 : x
  2. Step 2: Convert to fraction form
    2,208.84/3,311.64 = 1,038.24/x
  3. Step 3: Cross multiply
    2,208.84x = 3,311.64 × 1,038.24
  4. Step 4: Simplify right side
    2,208.84x = 3,438,277.11
  5. Step 5: Solve for x
    x = 3,438,277.11/2,208.84
  6. Step 6: Final answer
    x = 1,556.60

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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.