Home / 2,339.40-3,228.46-1,344.48

Finding the Fourth Proportional to 2,339.40, 3,228.46 and 1,344.48

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Solution

The fourth proportional to 2,339.40, 3,228.46 and 1,344.48 is: 1,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.40 : 3,228.46 = 1,344.48 : x
  2. Step 2: Convert to fraction form
    2,339.40/3,228.46 = 1,344.48/x
  3. Step 3: Cross multiply
    2,339.40x = 3,228.46 × 1,344.48
  4. Step 4: Simplify right side
    2,339.40x = 4,340,599.90
  5. Step 5: Solve for x
    x = 4,340,599.90/2,339.40
  6. Step 6: Final answer
    x = 1,855.43

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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.