Home / 3,955.16-5,460.31-2,960.08

Finding the Fourth Proportional to 3,955.16, 5,460.31 and 2,960.08

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Solution

The fourth proportional to 3,955.16, 5,460.31 and 2,960.08 is: 4,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.16 : 5,460.31 = 2,960.08 : x
  2. Step 2: Convert to fraction form
    3,955.16/5,460.31 = 2,960.08/x
  3. Step 3: Cross multiply
    3,955.16x = 5,460.31 × 2,960.08
  4. Step 4: Simplify right side
    3,955.16x = 16,162,944.47
  5. Step 5: Solve for x
    x = 16,162,944.47/3,955.16
  6. Step 6: Final answer
    x = 4,086.54

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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.