Home / 3,738.96-5,155.11-2,853.36

Finding the Fourth Proportional to 3,738.96, 5,155.11 and 2,853.36

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Solution

The fourth proportional to 3,738.96, 5,155.11 and 2,853.36 is: 3,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.96 : 5,155.11 = 2,853.36 : x
  2. Step 2: Convert to fraction form
    3,738.96/5,155.11 = 2,853.36/x
  3. Step 3: Cross multiply
    3,738.96x = 5,155.11 × 2,853.36
  4. Step 4: Simplify right side
    3,738.96x = 14,709,384.67
  5. Step 5: Solve for x
    x = 14,709,384.67/3,738.96
  6. Step 6: Final answer
    x = 3,934.08

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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.