Home / 3,403.80-5,105.70-3,051.45

Finding the Fourth Proportional to 3,403.80, 5,105.70 and 3,051.45

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Solution

The fourth proportional to 3,403.80, 5,105.70 and 3,051.45 is: 4,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.80 : 5,105.70 = 3,051.45 : x
  2. Step 2: Convert to fraction form
    3,403.80/5,105.70 = 3,051.45/x
  3. Step 3: Cross multiply
    3,403.80x = 5,105.70 × 3,051.45
  4. Step 4: Simplify right side
    3,403.80x = 15,579,788.27
  5. Step 5: Solve for x
    x = 15,579,788.27/3,403.80
  6. Step 6: Final answer
    x = 4,577.18

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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.