Home / 2,516.70-3,772.08-1,055.46

Finding the Fourth Proportional to 2,516.70, 3,772.08 and 1,055.46

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Solution

The fourth proportional to 2,516.70, 3,772.08 and 1,055.46 is: 1,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.70 : 3,772.08 = 1,055.46 : x
  2. Step 2: Convert to fraction form
    2,516.70/3,772.08 = 1,055.46/x
  3. Step 3: Cross multiply
    2,516.70x = 3,772.08 × 1,055.46
  4. Step 4: Simplify right side
    2,516.70x = 3,981,279.56
  5. Step 5: Solve for x
    x = 3,981,279.56/2,516.70
  6. Step 6: Final answer
    x = 1,581.94

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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.