Home / 3,788.77-5,228.43-2,110.05

Finding the Fourth Proportional to 3,788.77, 5,228.43 and 2,110.05

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Solution

The fourth proportional to 3,788.77, 5,228.43 and 2,110.05 is: 2,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.77 : 5,228.43 = 2,110.05 : x
  2. Step 2: Convert to fraction form
    3,788.77/5,228.43 = 2,110.05/x
  3. Step 3: Cross multiply
    3,788.77x = 5,228.43 × 2,110.05
  4. Step 4: Simplify right side
    3,788.77x = 11,032,222.58
  5. Step 5: Solve for x
    x = 11,032,222.58/3,788.77
  6. Step 6: Final answer
    x = 2,911.82

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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.