Home / 3,741.18-5,160.94-2,855.45

Finding the Fourth Proportional to 3,741.18, 5,160.94 and 2,855.45

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Solution

The fourth proportional to 3,741.18, 5,160.94 and 2,855.45 is: 3,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.18 : 5,160.94 = 2,855.45 : x
  2. Step 2: Convert to fraction form
    3,741.18/5,160.94 = 2,855.45/x
  3. Step 3: Cross multiply
    3,741.18x = 5,160.94 × 2,855.45
  4. Step 4: Simplify right side
    3,741.18x = 14,736,778.94
  5. Step 5: Solve for x
    x = 14,736,778.94/3,741.18
  6. Step 6: Final answer
    x = 3,939.07

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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.