Home / 3,516.30-5,274.81-1,207.50

Finding the Fourth Proportional to 3,516.30, 5,274.81 and 1,207.50

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Solution

The fourth proportional to 3,516.30, 5,274.81 and 1,207.50 is: 1,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.30 : 5,274.81 = 1,207.50 : x
  2. Step 2: Convert to fraction form
    3,516.30/5,274.81 = 1,207.50/x
  3. Step 3: Cross multiply
    3,516.30x = 5,274.81 × 1,207.50
  4. Step 4: Simplify right side
    3,516.30x = 6,369,333.08
  5. Step 5: Solve for x
    x = 6,369,333.08/3,516.30
  6. Step 6: Final answer
    x = 1,811.37

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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.