Home / 3,402.30-5,091.57-2,945.46

Finding the Fourth Proportional to 3,402.30, 5,091.57 and 2,945.46

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Solution

The fourth proportional to 3,402.30, 5,091.57 and 2,945.46 is: 4,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.30 : 5,091.57 = 2,945.46 : x
  2. Step 2: Convert to fraction form
    3,402.30/5,091.57 = 2,945.46/x
  3. Step 3: Cross multiply
    3,402.30x = 5,091.57 × 2,945.46
  4. Step 4: Simplify right side
    3,402.30x = 14,997,015.77
  5. Step 5: Solve for x
    x = 14,997,015.77/3,402.30
  6. Step 6: Final answer
    x = 4,407.91

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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.