Home / 3,513.44-4,848.40-1,941.28

Finding the Fourth Proportional to 3,513.44, 4,848.40 and 1,941.28

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Solution

The fourth proportional to 3,513.44, 4,848.40 and 1,941.28 is: 2,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.44 : 4,848.40 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    3,513.44/4,848.40 = 1,941.28/x
  3. Step 3: Cross multiply
    3,513.44x = 4,848.40 × 1,941.28
  4. Step 4: Simplify right side
    3,513.44x = 9,412,101.95
  5. Step 5: Solve for x
    x = 9,412,101.95/3,513.44
  6. Step 6: Final answer
    x = 2,678.89

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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.