Home / 3,529.86-5,294.97-1,338.77

Finding the Fourth Proportional to 3,529.86, 5,294.97 and 1,338.77

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Solution

The fourth proportional to 3,529.86, 5,294.97 and 1,338.77 is: 2,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.86 : 5,294.97 = 1,338.77 : x
  2. Step 2: Convert to fraction form
    3,529.86/5,294.97 = 1,338.77/x
  3. Step 3: Cross multiply
    3,529.86x = 5,294.97 × 1,338.77
  4. Step 4: Simplify right side
    3,529.86x = 7,088,720.51
  5. Step 5: Solve for x
    x = 7,088,720.51/3,529.86
  6. Step 6: Final answer
    x = 2,008.22

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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.