Home / 3,788.10-5,224.91-2,216.50

Finding the Fourth Proportional to 3,788.10, 5,224.91 and 2,216.50

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Solution

The fourth proportional to 3,788.10, 5,224.91 and 2,216.50 is: 3,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.10 : 5,224.91 = 2,216.50 : x
  2. Step 2: Convert to fraction form
    3,788.10/5,224.91 = 2,216.50/x
  3. Step 3: Cross multiply
    3,788.10x = 5,224.91 × 2,216.50
  4. Step 4: Simplify right side
    3,788.10x = 11,580,988.87
  5. Step 5: Solve for x
    x = 11,580,988.87/3,788.10
  6. Step 6: Final answer
    x = 3,057.20

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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.