Home / 3,513.81-4,848.65-1,941.81

Finding the Fourth Proportional to 3,513.81, 4,848.65 and 1,941.81

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Solution

The fourth proportional to 3,513.81, 4,848.65 and 1,941.81 is: 2,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.81 : 4,848.65 = 1,941.81 : x
  2. Step 2: Convert to fraction form
    3,513.81/4,848.65 = 1,941.81/x
  3. Step 3: Cross multiply
    3,513.81x = 4,848.65 × 1,941.81
  4. Step 4: Simplify right side
    3,513.81x = 9,415,147.35
  5. Step 5: Solve for x
    x = 9,415,147.35/3,513.81
  6. Step 6: Final answer
    x = 2,679.47

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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.