Home / 3,015.67-4,521.81-2,066.90

Finding the Fourth Proportional to 3,015.67, 4,521.81 and 2,066.90

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Solution

The fourth proportional to 3,015.67, 4,521.81 and 2,066.90 is: 3,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.67 : 4,521.81 = 2,066.90 : x
  2. Step 2: Convert to fraction form
    3,015.67/4,521.81 = 2,066.90/x
  3. Step 3: Cross multiply
    3,015.67x = 4,521.81 × 2,066.90
  4. Step 4: Simplify right side
    3,015.67x = 9,346,129.09
  5. Step 5: Solve for x
    x = 9,346,129.09/3,015.67
  6. Step 6: Final answer
    x = 3,099.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.