Home / 3,513.73-5,271.37-1,322.46

Finding the Fourth Proportional to 3,513.73, 5,271.37 and 1,322.46

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Solution

The fourth proportional to 3,513.73, 5,271.37 and 1,322.46 is: 1,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.73 : 5,271.37 = 1,322.46 : x
  2. Step 2: Convert to fraction form
    3,513.73/5,271.37 = 1,322.46/x
  3. Step 3: Cross multiply
    3,513.73x = 5,271.37 × 1,322.46
  4. Step 4: Simplify right side
    3,513.73x = 6,971,175.97
  5. Step 5: Solve for x
    x = 6,971,175.97/3,513.73
  6. Step 6: Final answer
    x = 1,983.98

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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.