Home / 3,403.30-5,104.98-938.26

Finding the Fourth Proportional to 3,403.30, 5,104.98 and 938.26

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Solution

The fourth proportional to 3,403.30, 5,104.98 and 938.26 is: 1,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.30 : 5,104.98 = 938.26 : x
  2. Step 2: Convert to fraction form
    3,403.30/5,104.98 = 938.26/x
  3. Step 3: Cross multiply
    3,403.30x = 5,104.98 × 938.26
  4. Step 4: Simplify right side
    3,403.30x = 4,789,785.77
  5. Step 5: Solve for x
    x = 4,789,785.77/3,403.30
  6. Step 6: Final answer
    x = 1,407.40

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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.