Home / 3,798.18-5,241.72-2,119.98

Finding the Fourth Proportional to 3,798.18, 5,241.72 and 2,119.98

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Solution

The fourth proportional to 3,798.18, 5,241.72 and 2,119.98 is: 2,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.18 : 5,241.72 = 2,119.98 : x
  2. Step 2: Convert to fraction form
    3,798.18/5,241.72 = 2,119.98/x
  3. Step 3: Cross multiply
    3,798.18x = 5,241.72 × 2,119.98
  4. Step 4: Simplify right side
    3,798.18x = 11,112,341.57
  5. Step 5: Solve for x
    x = 11,112,341.57/3,798.18
  6. Step 6: Final answer
    x = 2,925.70

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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.