Home / 3,676.19-5,068.91-2,790.45

Finding the Fourth Proportional to 3,676.19, 5,068.91 and 2,790.45

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Solution

The fourth proportional to 3,676.19, 5,068.91 and 2,790.45 is: 3,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.19 : 5,068.91 = 2,790.45 : x
  2. Step 2: Convert to fraction form
    3,676.19/5,068.91 = 2,790.45/x
  3. Step 3: Cross multiply
    3,676.19x = 5,068.91 × 2,790.45
  4. Step 4: Simplify right side
    3,676.19x = 14,144,546.89
  5. Step 5: Solve for x
    x = 14,144,546.89/3,676.19
  6. Step 6: Final answer
    x = 3,847.62

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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.