Home / 2,006.12-2,768.82-1,260.74

Finding the Fourth Proportional to 2,006.12, 2,768.82 and 1,260.74

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Solution

The fourth proportional to 2,006.12, 2,768.82 and 1,260.74 is: 1,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.12 : 2,768.82 = 1,260.74 : x
  2. Step 2: Convert to fraction form
    2,006.12/2,768.82 = 1,260.74/x
  3. Step 3: Cross multiply
    2,006.12x = 2,768.82 × 1,260.74
  4. Step 4: Simplify right side
    2,006.12x = 3,490,762.13
  5. Step 5: Solve for x
    x = 3,490,762.13/2,006.12
  6. Step 6: Final answer
    x = 1,740.06

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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.