Home / 3,965.20-5,473.10-2,393.40

Finding the Fourth Proportional to 3,965.20, 5,473.10 and 2,393.40

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Solution

The fourth proportional to 3,965.20, 5,473.10 and 2,393.40 is: 3,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.20 : 5,473.10 = 2,393.40 : x
  2. Step 2: Convert to fraction form
    3,965.20/5,473.10 = 2,393.40/x
  3. Step 3: Cross multiply
    3,965.20x = 5,473.10 × 2,393.40
  4. Step 4: Simplify right side
    3,965.20x = 13,099,317.54
  5. Step 5: Solve for x
    x = 13,099,317.54/3,965.20
  6. Step 6: Final answer
    x = 3,303.57

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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.