Home / 2,213.21-3,052.65-1,426.50

Finding the Fourth Proportional to 2,213.21, 3,052.65 and 1,426.50

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Solution

The fourth proportional to 2,213.21, 3,052.65 and 1,426.50 is: 1,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.21 : 3,052.65 = 1,426.50 : x
  2. Step 2: Convert to fraction form
    2,213.21/3,052.65 = 1,426.50/x
  3. Step 3: Cross multiply
    2,213.21x = 3,052.65 × 1,426.50
  4. Step 4: Simplify right side
    2,213.21x = 4,354,610.57
  5. Step 5: Solve for x
    x = 4,354,610.57/2,213.21
  6. Step 6: Final answer
    x = 1,967.55

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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.