Home / 2,212.81-3,052.65-1,327.07

Finding the Fourth Proportional to 2,212.81, 3,052.65 and 1,327.07

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Solution

The fourth proportional to 2,212.81, 3,052.65 and 1,327.07 is: 1,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.81 : 3,052.65 = 1,327.07 : x
  2. Step 2: Convert to fraction form
    2,212.81/3,052.65 = 1,327.07/x
  3. Step 3: Cross multiply
    2,212.81x = 3,052.65 × 1,327.07
  4. Step 4: Simplify right side
    2,212.81x = 4,051,080.24
  5. Step 5: Solve for x
    x = 4,051,080.24/2,212.81
  6. Step 6: Final answer
    x = 1,830.74

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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.