Home / 3,256.14-4,493.46-2,078.40

Finding the Fourth Proportional to 3,256.14, 4,493.46 and 2,078.40

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Solution

The fourth proportional to 3,256.14, 4,493.46 and 2,078.40 is: 2,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.14 : 4,493.46 = 2,078.40 : x
  2. Step 2: Convert to fraction form
    3,256.14/4,493.46 = 2,078.40/x
  3. Step 3: Cross multiply
    3,256.14x = 4,493.46 × 2,078.40
  4. Step 4: Simplify right side
    3,256.14x = 9,339,207.26
  5. Step 5: Solve for x
    x = 9,339,207.26/3,256.14
  6. Step 6: Final answer
    x = 2,868.18

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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.