Home / 3,066.60-4,232.86-2,909.86

Finding the Fourth Proportional to 3,066.60, 4,232.86 and 2,909.86

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Solution

The fourth proportional to 3,066.60, 4,232.86 and 2,909.86 is: 4,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.60 : 4,232.86 = 2,909.86 : x
  2. Step 2: Convert to fraction form
    3,066.60/4,232.86 = 2,909.86/x
  3. Step 3: Cross multiply
    3,066.60x = 4,232.86 × 2,909.86
  4. Step 4: Simplify right side
    3,066.60x = 12,317,030.00
  5. Step 5: Solve for x
    x = 12,317,030.00/3,066.60
  6. Step 6: Final answer
    x = 4,016.51

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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.