Home / 3,516.80-5,274.56-1,325.54

Finding the Fourth Proportional to 3,516.80, 5,274.56 and 1,325.54

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Solution

The fourth proportional to 3,516.80, 5,274.56 and 1,325.54 is: 1,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.80 : 5,274.56 = 1,325.54 : x
  2. Step 2: Convert to fraction form
    3,516.80/5,274.56 = 1,325.54/x
  3. Step 3: Cross multiply
    3,516.80x = 5,274.56 × 1,325.54
  4. Step 4: Simplify right side
    3,516.80x = 6,991,607.26
  5. Step 5: Solve for x
    x = 6,991,607.26/3,516.80
  6. Step 6: Final answer
    x = 1,988.06

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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.