Home / 3,513.30-5,270.49-1,323.87

Finding the Fourth Proportional to 3,513.30, 5,270.49 and 1,323.87

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Solution

The fourth proportional to 3,513.30, 5,270.49 and 1,323.87 is: 1,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.30 : 5,270.49 = 1,323.87 : x
  2. Step 2: Convert to fraction form
    3,513.30/5,270.49 = 1,323.87/x
  3. Step 3: Cross multiply
    3,513.30x = 5,270.49 × 1,323.87
  4. Step 4: Simplify right side
    3,513.30x = 6,977,443.60
  5. Step 5: Solve for x
    x = 6,977,443.60/3,513.30
  6. Step 6: Final answer
    x = 1,986.01

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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.