Home / 2,776.09-4,162.99-1,131.52

Finding the Fourth Proportional to 2,776.09, 4,162.99 and 1,131.52

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Solution

The fourth proportional to 2,776.09, 4,162.99 and 1,131.52 is: 1,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.09 : 4,162.99 = 1,131.52 : x
  2. Step 2: Convert to fraction form
    2,776.09/4,162.99 = 1,131.52/x
  3. Step 3: Cross multiply
    2,776.09x = 4,162.99 × 1,131.52
  4. Step 4: Simplify right side
    2,776.09x = 4,710,506.44
  5. Step 5: Solve for x
    x = 4,710,506.44/2,776.09
  6. Step 6: Final answer
    x = 1,696.81

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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.