Home / 3,965.60-5,471.52-2,473.40

Finding the Fourth Proportional to 3,965.60, 5,471.52 and 2,473.40

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Solution

The fourth proportional to 3,965.60, 5,471.52 and 2,473.40 is: 3,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.60 : 5,471.52 = 2,473.40 : x
  2. Step 2: Convert to fraction form
    3,965.60/5,471.52 = 2,473.40/x
  3. Step 3: Cross multiply
    3,965.60x = 5,471.52 × 2,473.40
  4. Step 4: Simplify right side
    3,965.60x = 13,533,257.57
  5. Step 5: Solve for x
    x = 13,533,257.57/3,965.60
  6. Step 6: Final answer
    x = 3,412.66

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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.