Home / 2,813.08-4,219.14-1,169.18

Finding the Fourth Proportional to 2,813.08, 4,219.14 and 1,169.18

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Solution

The fourth proportional to 2,813.08, 4,219.14 and 1,169.18 is: 1,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.08 : 4,219.14 = 1,169.18 : x
  2. Step 2: Convert to fraction form
    2,813.08/4,219.14 = 1,169.18/x
  3. Step 3: Cross multiply
    2,813.08x = 4,219.14 × 1,169.18
  4. Step 4: Simplify right side
    2,813.08x = 4,932,950.37
  5. Step 5: Solve for x
    x = 4,932,950.37/2,813.08
  6. Step 6: Final answer
    x = 1,753.58

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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.