Home / 3,755.36-5,624.40-2,109.44

Finding the Fourth Proportional to 3,755.36, 5,624.40 and 2,109.44

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Solution

The fourth proportional to 3,755.36, 5,624.40 and 2,109.44 is: 3,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.36 : 5,624.40 = 2,109.44 : x
  2. Step 2: Convert to fraction form
    3,755.36/5,624.40 = 2,109.44/x
  3. Step 3: Cross multiply
    3,755.36x = 5,624.40 × 2,109.44
  4. Step 4: Simplify right side
    3,755.36x = 11,864,334.34
  5. Step 5: Solve for x
    x = 11,864,334.34/3,755.36
  6. Step 6: Final answer
    x = 3,159.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.