Home / 1,729.84-2,387.24-943.94

Finding the Fourth Proportional to 1,729.84, 2,387.24 and 943.94

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Solution

The fourth proportional to 1,729.84, 2,387.24 and 943.94 is: 1,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.84 : 2,387.24 = 943.94 : x
  2. Step 2: Convert to fraction form
    1,729.84/2,387.24 = 943.94/x
  3. Step 3: Cross multiply
    1,729.84x = 2,387.24 × 943.94
  4. Step 4: Simplify right side
    1,729.84x = 2,253,411.33
  5. Step 5: Solve for x
    x = 2,253,411.33/1,729.84
  6. Step 6: Final answer
    x = 1,302.67

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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.