Home / 2,006.67-2,768.80-1,210.44

Finding the Fourth Proportional to 2,006.67, 2,768.80 and 1,210.44

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Solution

The fourth proportional to 2,006.67, 2,768.80 and 1,210.44 is: 1,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.67 : 2,768.80 = 1,210.44 : x
  2. Step 2: Convert to fraction form
    2,006.67/2,768.80 = 1,210.44/x
  3. Step 3: Cross multiply
    2,006.67x = 2,768.80 × 1,210.44
  4. Step 4: Simplify right side
    2,006.67x = 3,351,466.27
  5. Step 5: Solve for x
    x = 3,351,466.27/2,006.67
  6. Step 6: Final answer
    x = 1,670.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.