Home / 3,734.96-5,160.84-2,955.20

Finding the Fourth Proportional to 3,734.96, 5,160.84 and 2,955.20

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Solution

The fourth proportional to 3,734.96, 5,160.84 and 2,955.20 is: 4,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.96 : 5,160.84 = 2,955.20 : x
  2. Step 2: Convert to fraction form
    3,734.96/5,160.84 = 2,955.20/x
  3. Step 3: Cross multiply
    3,734.96x = 5,160.84 × 2,955.20
  4. Step 4: Simplify right side
    3,734.96x = 15,251,314.37
  5. Step 5: Solve for x
    x = 15,251,314.37/3,734.96
  6. Step 6: Final answer
    x = 4,083.39

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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.