Home / 3,798.72-5,240.16-2,748.96

Finding the Fourth Proportional to 3,798.72, 5,240.16 and 2,748.96

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Solution

The fourth proportional to 3,798.72, 5,240.16 and 2,748.96 is: 3,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.72 : 5,240.16 = 2,748.96 : x
  2. Step 2: Convert to fraction form
    3,798.72/5,240.16 = 2,748.96/x
  3. Step 3: Cross multiply
    3,798.72x = 5,240.16 × 2,748.96
  4. Step 4: Simplify right side
    3,798.72x = 14,404,990.23
  5. Step 5: Solve for x
    x = 14,404,990.23/3,798.72
  6. Step 6: Final answer
    x = 3,792.06

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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.