Home / 3,516.10-5,272.90-1,666.87

Finding the Fourth Proportional to 3,516.10, 5,272.90 and 1,666.87

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Solution

The fourth proportional to 3,516.10, 5,272.90 and 1,666.87 is: 2,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.10 : 5,272.90 = 1,666.87 : x
  2. Step 2: Convert to fraction form
    3,516.10/5,272.90 = 1,666.87/x
  3. Step 3: Cross multiply
    3,516.10x = 5,272.90 × 1,666.87
  4. Step 4: Simplify right side
    3,516.10x = 8,789,238.82
  5. Step 5: Solve for x
    x = 8,789,238.82/3,516.10
  6. Step 6: Final answer
    x = 2,499.71

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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.