Home / 3,086.08-4,258.85-1,826.68

Finding the Fourth Proportional to 3,086.08, 4,258.85 and 1,826.68

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Solution

The fourth proportional to 3,086.08, 4,258.85 and 1,826.68 is: 2,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.08 : 4,258.85 = 1,826.68 : x
  2. Step 2: Convert to fraction form
    3,086.08/4,258.85 = 1,826.68/x
  3. Step 3: Cross multiply
    3,086.08x = 4,258.85 × 1,826.68
  4. Step 4: Simplify right side
    3,086.08x = 7,779,556.12
  5. Step 5: Solve for x
    x = 7,779,556.12/3,086.08
  6. Step 6: Final answer
    x = 2,520.85

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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.