Home / 1,518.90-2,082.42-1,491.23

Finding the Fourth Proportional to 1,518.90, 2,082.42 and 1,491.23

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Solution

The fourth proportional to 1,518.90, 2,082.42 and 1,491.23 is: 2,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.90 : 2,082.42 = 1,491.23 : x
  2. Step 2: Convert to fraction form
    1,518.90/2,082.42 = 1,491.23/x
  3. Step 3: Cross multiply
    1,518.90x = 2,082.42 × 1,491.23
  4. Step 4: Simplify right side
    1,518.90x = 3,105,351.17
  5. Step 5: Solve for x
    x = 3,105,351.17/1,518.90
  6. Step 6: Final answer
    x = 2,044.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.