Home / 2,133.63-3,201.66-1,742.81

Finding the Fourth Proportional to 2,133.63, 3,201.66 and 1,742.81

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Solution

The fourth proportional to 2,133.63, 3,201.66 and 1,742.81 is: 2,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.63 : 3,201.66 = 1,742.81 : x
  2. Step 2: Convert to fraction form
    2,133.63/3,201.66 = 1,742.81/x
  3. Step 3: Cross multiply
    2,133.63x = 3,201.66 × 1,742.81
  4. Step 4: Simplify right side
    2,133.63x = 5,579,869.06
  5. Step 5: Solve for x
    x = 5,579,869.06/2,133.63
  6. Step 6: Final answer
    x = 2,615.20

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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.