Home / 4,116.60-5,678.85-2,699.64

Finding the Fourth Proportional to 4,116.60, 5,678.85 and 2,699.64

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Solution

The fourth proportional to 4,116.60, 5,678.85 and 2,699.64 is: 3,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.60 : 5,678.85 = 2,699.64 : x
  2. Step 2: Convert to fraction form
    4,116.60/5,678.85 = 2,699.64/x
  3. Step 3: Cross multiply
    4,116.60x = 5,678.85 × 2,699.64
  4. Step 4: Simplify right side
    4,116.60x = 15,330,850.61
  5. Step 5: Solve for x
    x = 15,330,850.61/4,116.60
  6. Step 6: Final answer
    x = 3,724.15

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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.