Home / 1,729.67-2,386.99-943.77

Finding the Fourth Proportional to 1,729.67, 2,386.99 and 943.77

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Solution

The fourth proportional to 1,729.67, 2,386.99 and 943.77 is: 1,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.67 : 2,386.99 = 943.77 : x
  2. Step 2: Convert to fraction form
    1,729.67/2,386.99 = 943.77/x
  3. Step 3: Cross multiply
    1,729.67x = 2,386.99 × 943.77
  4. Step 4: Simplify right side
    1,729.67x = 2,252,769.55
  5. Step 5: Solve for x
    x = 2,252,769.55/1,729.67
  6. Step 6: Final answer
    x = 1,302.43

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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.