Home / 2,008.08-2,768.54-1,377.45

Finding the Fourth Proportional to 2,008.08, 2,768.54 and 1,377.45

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Solution

The fourth proportional to 2,008.08, 2,768.54 and 1,377.45 is: 1,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.08 : 2,768.54 = 1,377.45 : x
  2. Step 2: Convert to fraction form
    2,008.08/2,768.54 = 1,377.45/x
  3. Step 3: Cross multiply
    2,008.08x = 2,768.54 × 1,377.45
  4. Step 4: Simplify right side
    2,008.08x = 3,813,518.54
  5. Step 5: Solve for x
    x = 3,813,518.54/2,008.08
  6. Step 6: Final answer
    x = 1,899.09

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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.