Home / 3,516.36-5,275.37-1,872.56

Finding the Fourth Proportional to 3,516.36, 5,275.37 and 1,872.56

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Solution

The fourth proportional to 3,516.36, 5,275.37 and 1,872.56 is: 2,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.36 : 5,275.37 = 1,872.56 : x
  2. Step 2: Convert to fraction form
    3,516.36/5,275.37 = 1,872.56/x
  3. Step 3: Cross multiply
    3,516.36x = 5,275.37 × 1,872.56
  4. Step 4: Simplify right side
    3,516.36x = 9,878,446.85
  5. Step 5: Solve for x
    x = 9,878,446.85/3,516.36
  6. Step 6: Final answer
    x = 2,809.29

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1.5x scale

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.