Home / 3,216.50-4,813.79-2,697.08

Finding the Fourth Proportional to 3,216.50, 4,813.79 and 2,697.08

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Solution

The fourth proportional to 3,216.50, 4,813.79 and 2,697.08 is: 4,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.50 : 4,813.79 = 2,697.08 : x
  2. Step 2: Convert to fraction form
    3,216.50/4,813.79 = 2,697.08/x
  3. Step 3: Cross multiply
    3,216.50x = 4,813.79 × 2,697.08
  4. Step 4: Simplify right side
    3,216.50x = 12,983,175.28
  5. Step 5: Solve for x
    x = 12,983,175.28/3,216.50
  6. Step 6: Final answer
    x = 4,036.44

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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.