Home / 3,798.18-5,241.48-2,119.53

Finding the Fourth Proportional to 3,798.18, 5,241.48 and 2,119.53

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Solution

The fourth proportional to 3,798.18, 5,241.48 and 2,119.53 is: 2,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.18 : 5,241.48 = 2,119.53 : x
  2. Step 2: Convert to fraction form
    3,798.18/5,241.48 = 2,119.53/x
  3. Step 3: Cross multiply
    3,798.18x = 5,241.48 × 2,119.53
  4. Step 4: Simplify right side
    3,798.18x = 11,109,474.10
  5. Step 5: Solve for x
    x = 11,109,474.10/3,798.18
  6. Step 6: Final answer
    x = 2,924.95

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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.