Home / 1,969.29-2,717.96-1,881.81

Finding the Fourth Proportional to 1,969.29, 2,717.96 and 1,881.81

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Solution

The fourth proportional to 1,969.29, 2,717.96 and 1,881.81 is: 2,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.29 : 2,717.96 = 1,881.81 : x
  2. Step 2: Convert to fraction form
    1,969.29/2,717.96 = 1,881.81/x
  3. Step 3: Cross multiply
    1,969.29x = 2,717.96 × 1,881.81
  4. Step 4: Simplify right side
    1,969.29x = 5,114,674.90
  5. Step 5: Solve for x
    x = 5,114,674.90/1,969.29
  6. Step 6: Final answer
    x = 2,597.22

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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.