Home / 3,513.72-4,848.84-1,941.60

Finding the Fourth Proportional to 3,513.72, 4,848.84 and 1,941.60

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Solution

The fourth proportional to 3,513.72, 4,848.84 and 1,941.60 is: 2,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.72 : 4,848.84 = 1,941.60 : x
  2. Step 2: Convert to fraction form
    3,513.72/4,848.84 = 1,941.60/x
  3. Step 3: Cross multiply
    3,513.72x = 4,848.84 × 1,941.60
  4. Step 4: Simplify right side
    3,513.72x = 9,414,507.74
  5. Step 5: Solve for x
    x = 9,414,507.74/3,513.72
  6. Step 6: Final answer
    x = 2,679.36

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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.