Home / 3,305.60-4,560.78-2,186.14

Finding the Fourth Proportional to 3,305.60, 4,560.78 and 2,186.14

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Solution

The fourth proportional to 3,305.60, 4,560.78 and 2,186.14 is: 3,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.60 : 4,560.78 = 2,186.14 : x
  2. Step 2: Convert to fraction form
    3,305.60/4,560.78 = 2,186.14/x
  3. Step 3: Cross multiply
    3,305.60x = 4,560.78 × 2,186.14
  4. Step 4: Simplify right side
    3,305.60x = 9,970,492.19
  5. Step 5: Solve for x
    x = 9,970,492.19/3,305.60
  6. Step 6: Final answer
    x = 3,016.24

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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.