Home / 2,828.15-3,906.58-2,357.58

Finding the Fourth Proportional to 2,828.15, 3,906.58 and 2,357.58

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Solution

The fourth proportional to 2,828.15, 3,906.58 and 2,357.58 is: 3,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.15 : 3,906.58 = 2,357.58 : x
  2. Step 2: Convert to fraction form
    2,828.15/3,906.58 = 2,357.58/x
  3. Step 3: Cross multiply
    2,828.15x = 3,906.58 × 2,357.58
  4. Step 4: Simplify right side
    2,828.15x = 9,210,074.88
  5. Step 5: Solve for x
    x = 9,210,074.88/2,828.15
  6. Step 6: Final answer
    x = 3,256.58

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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.