Home / 3,400.08-5,128.40-2,994.27

Finding the Fourth Proportional to 3,400.08, 5,128.40 and 2,994.27

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Solution

The fourth proportional to 3,400.08, 5,128.40 and 2,994.27 is: 4,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.08 : 5,128.40 = 2,994.27 : x
  2. Step 2: Convert to fraction form
    3,400.08/5,128.40 = 2,994.27/x
  3. Step 3: Cross multiply
    3,400.08x = 5,128.40 × 2,994.27
  4. Step 4: Simplify right side
    3,400.08x = 15,355,799.30
  5. Step 5: Solve for x
    x = 15,355,799.30/3,400.08
  6. Step 6: Final answer
    x = 4,516.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.