Home / 2,358.30-3,245.86-2,076.69

Finding the Fourth Proportional to 2,358.30, 3,245.86 and 2,076.69

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Solution

The fourth proportional to 2,358.30, 3,245.86 and 2,076.69 is: 2,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.30 : 3,245.86 = 2,076.69 : x
  2. Step 2: Convert to fraction form
    2,358.30/3,245.86 = 2,076.69/x
  3. Step 3: Cross multiply
    2,358.30x = 3,245.86 × 2,076.69
  4. Step 4: Simplify right side
    2,358.30x = 6,740,647.60
  5. Step 5: Solve for x
    x = 6,740,647.60/2,358.30
  6. Step 6: Final answer
    x = 2,858.27

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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.