Home / 1,839.28-2,538.50-1,176.44

Finding the Fourth Proportional to 1,839.28, 2,538.50 and 1,176.44

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Solution

The fourth proportional to 1,839.28, 2,538.50 and 1,176.44 is: 1,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.28 : 2,538.50 = 1,176.44 : x
  2. Step 2: Convert to fraction form
    1,839.28/2,538.50 = 1,176.44/x
  3. Step 3: Cross multiply
    1,839.28x = 2,538.50 × 1,176.44
  4. Step 4: Simplify right side
    1,839.28x = 2,986,392.94
  5. Step 5: Solve for x
    x = 2,986,392.94/1,839.28
  6. Step 6: Final answer
    x = 1,623.67

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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.