Home / 3,216.96-4,826.40-2,356.80

Finding the Fourth Proportional to 3,216.96, 4,826.40 and 2,356.80

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Solution

The fourth proportional to 3,216.96, 4,826.40 and 2,356.80 is: 3,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.96 : 4,826.40 = 2,356.80 : x
  2. Step 2: Convert to fraction form
    3,216.96/4,826.40 = 2,356.80/x
  3. Step 3: Cross multiply
    3,216.96x = 4,826.40 × 2,356.80
  4. Step 4: Simplify right side
    3,216.96x = 11,374,859.52
  5. Step 5: Solve for x
    x = 11,374,859.52/3,216.96
  6. Step 6: Final answer
    x = 3,535.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.