Home / 1,721.28-2,373.60-1,546.56

Finding the Fourth Proportional to 1,721.28, 2,373.60 and 1,546.56

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Solution

The fourth proportional to 1,721.28, 2,373.60 and 1,546.56 is: 2,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.28 : 2,373.60 = 1,546.56 : x
  2. Step 2: Convert to fraction form
    1,721.28/2,373.60 = 1,546.56/x
  3. Step 3: Cross multiply
    1,721.28x = 2,373.60 × 1,546.56
  4. Step 4: Simplify right side
    1,721.28x = 3,670,914.82
  5. Step 5: Solve for x
    x = 3,670,914.82/1,721.28
  6. Step 6: Final answer
    x = 2,132.67

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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.