Home / 2,768.09-4,151.66-1,013.00

Finding the Fourth Proportional to 2,768.09, 4,151.66 and 1,013.00

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Solution

The fourth proportional to 2,768.09, 4,151.66 and 1,013.00 is: 1,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.09 : 4,151.66 = 1,013.00 : x
  2. Step 2: Convert to fraction form
    2,768.09/4,151.66 = 1,013.00/x
  3. Step 3: Cross multiply
    2,768.09x = 4,151.66 × 1,013.00
  4. Step 4: Simplify right side
    2,768.09x = 4,205,605.76
  5. Step 5: Solve for x
    x = 4,205,605.76/2,768.09
  6. Step 6: Final answer
    x = 1,519.32

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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.