Home / 2,339.34-3,228.31-1,277.11

Finding the Fourth Proportional to 2,339.34, 3,228.31 and 1,277.11

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Solution

The fourth proportional to 2,339.34, 3,228.31 and 1,277.11 is: 1,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.34 : 3,228.31 = 1,277.11 : x
  2. Step 2: Convert to fraction form
    2,339.34/3,228.31 = 1,277.11/x
  3. Step 3: Cross multiply
    2,339.34x = 3,228.31 × 1,277.11
  4. Step 4: Simplify right side
    2,339.34x = 4,122,912.62
  5. Step 5: Solve for x
    x = 4,122,912.62/2,339.34
  6. Step 6: Final answer
    x = 1,762.43

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1.5x scale

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.