Home / 1,519.38-2,096.55-1,047.42

Finding the Fourth Proportional to 1,519.38, 2,096.55 and 1,047.42

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Solution

The fourth proportional to 1,519.38, 2,096.55 and 1,047.42 is: 1,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.38 : 2,096.55 = 1,047.42 : x
  2. Step 2: Convert to fraction form
    1,519.38/2,096.55 = 1,047.42/x
  3. Step 3: Cross multiply
    1,519.38x = 2,096.55 × 1,047.42
  4. Step 4: Simplify right side
    1,519.38x = 2,195,968.40
  5. Step 5: Solve for x
    x = 2,195,968.40/1,519.38
  6. Step 6: Final answer
    x = 1,445.31

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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.