Home / 3,640.30-5,462.06-1,331.26

Finding the Fourth Proportional to 3,640.30, 5,462.06 and 1,331.26

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Solution

The fourth proportional to 3,640.30, 5,462.06 and 1,331.26 is: 1,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.30 : 5,462.06 = 1,331.26 : x
  2. Step 2: Convert to fraction form
    3,640.30/5,462.06 = 1,331.26/x
  3. Step 3: Cross multiply
    3,640.30x = 5,462.06 × 1,331.26
  4. Step 4: Simplify right side
    3,640.30x = 7,271,422.00
  5. Step 5: Solve for x
    x = 7,271,422.00/3,640.30
  6. Step 6: Final answer
    x = 1,997.48

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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.