Home / 1,516.03-2,274.74-694.55

Finding the Fourth Proportional to 1,516.03, 2,274.74 and 694.55

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Solution

The fourth proportional to 1,516.03, 2,274.74 and 694.55 is: 1,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.03 : 2,274.74 = 694.55 : x
  2. Step 2: Convert to fraction form
    1,516.03/2,274.74 = 694.55/x
  3. Step 3: Cross multiply
    1,516.03x = 2,274.74 × 694.55
  4. Step 4: Simplify right side
    1,516.03x = 1,579,920.67
  5. Step 5: Solve for x
    x = 1,579,920.67/1,516.03
  6. Step 6: Final answer
    x = 1,042.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.