Home / 3,516.76-5,271.81-1,325.02

Finding the Fourth Proportional to 3,516.76, 5,271.81 and 1,325.02

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Solution

The fourth proportional to 3,516.76, 5,271.81 and 1,325.02 is: 1,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.76 : 5,271.81 = 1,325.02 : x
  2. Step 2: Convert to fraction form
    3,516.76/5,271.81 = 1,325.02/x
  3. Step 3: Cross multiply
    3,516.76x = 5,271.81 × 1,325.02
  4. Step 4: Simplify right side
    3,516.76x = 6,985,253.69
  5. Step 5: Solve for x
    x = 6,985,253.69/3,516.76
  6. Step 6: Final answer
    x = 1,986.28

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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.