Home / 2,213.64-3,319.74-1,043.46

Finding the Fourth Proportional to 2,213.64, 3,319.74 and 1,043.46

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Solution

The fourth proportional to 2,213.64, 3,319.74 and 1,043.46 is: 1,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.64 : 3,319.74 = 1,043.46 : x
  2. Step 2: Convert to fraction form
    2,213.64/3,319.74 = 1,043.46/x
  3. Step 3: Cross multiply
    2,213.64x = 3,319.74 × 1,043.46
  4. Step 4: Simplify right side
    2,213.64x = 3,464,015.90
  5. Step 5: Solve for x
    x = 3,464,015.90/2,213.64
  6. Step 6: Final answer
    x = 1,564.85

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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.