Home / 3,669.96-5,063.82-2,178.35

Finding the Fourth Proportional to 3,669.96, 5,063.82 and 2,178.35

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Solution

The fourth proportional to 3,669.96, 5,063.82 and 2,178.35 is: 3,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.96 : 5,063.82 = 2,178.35 : x
  2. Step 2: Convert to fraction form
    3,669.96/5,063.82 = 2,178.35/x
  3. Step 3: Cross multiply
    3,669.96x = 5,063.82 × 2,178.35
  4. Step 4: Simplify right side
    3,669.96x = 11,030,746.98
  5. Step 5: Solve for x
    x = 11,030,746.98/3,669.96
  6. Step 6: Final answer
    x = 3,005.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.