Home / 2,213.84-3,052.80-1,550.48

Finding the Fourth Proportional to 2,213.84, 3,052.80 and 1,550.48

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Solution

The fourth proportional to 2,213.84, 3,052.80 and 1,550.48 is: 2,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.84 : 3,052.80 = 1,550.48 : x
  2. Step 2: Convert to fraction form
    2,213.84/3,052.80 = 1,550.48/x
  3. Step 3: Cross multiply
    2,213.84x = 3,052.80 × 1,550.48
  4. Step 4: Simplify right side
    2,213.84x = 4,733,305.34
  5. Step 5: Solve for x
    x = 4,733,305.34/2,213.84
  6. Step 6: Final answer
    x = 2,138.05

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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.