Home / 2,145.56-2,963.32-1,517.67

Finding the Fourth Proportional to 2,145.56, 2,963.32 and 1,517.67

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Solution

The fourth proportional to 2,145.56, 2,963.32 and 1,517.67 is: 2,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.56 : 2,963.32 = 1,517.67 : x
  2. Step 2: Convert to fraction form
    2,145.56/2,963.32 = 1,517.67/x
  3. Step 3: Cross multiply
    2,145.56x = 2,963.32 × 1,517.67
  4. Step 4: Simplify right side
    2,145.56x = 4,497,338.07
  5. Step 5: Solve for x
    x = 4,497,338.07/2,145.56
  6. Step 6: Final answer
    x = 2,096.12

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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.