Home / 3,516.81-5,276.00-1,325.56

Finding the Fourth Proportional to 3,516.81, 5,276.00 and 1,325.56

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Solution

The fourth proportional to 3,516.81, 5,276.00 and 1,325.56 is: 1,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.81 : 5,276.00 = 1,325.56 : x
  2. Step 2: Convert to fraction form
    3,516.81/5,276.00 = 1,325.56/x
  3. Step 3: Cross multiply
    3,516.81x = 5,276.00 × 1,325.56
  4. Step 4: Simplify right side
    3,516.81x = 6,993,634.74
  5. Step 5: Solve for x
    x = 6,993,634.74/3,516.81
  6. Step 6: Final answer
    x = 1,988.63

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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.