Home / 3,516.88-5,240.92-3,309.16

Finding the Fourth Proportional to 3,516.88, 5,240.92 and 3,309.16

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Solution

The fourth proportional to 3,516.88, 5,240.92 and 3,309.16 is: 4,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.88 : 5,240.92 = 3,309.16 : x
  2. Step 2: Convert to fraction form
    3,516.88/5,240.92 = 3,309.16/x
  3. Step 3: Cross multiply
    3,516.88x = 5,240.92 × 3,309.16
  4. Step 4: Simplify right side
    3,516.88x = 17,343,042.83
  5. Step 5: Solve for x
    x = 17,343,042.83/3,516.88
  6. Step 6: Final answer
    x = 4,931.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.