Home / 2,950.72-4,066.90-2,530.54

Finding the Fourth Proportional to 2,950.72, 4,066.90 and 2,530.54

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Solution

The fourth proportional to 2,950.72, 4,066.90 and 2,530.54 is: 3,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.72 : 4,066.90 = 2,530.54 : x
  2. Step 2: Convert to fraction form
    2,950.72/4,066.90 = 2,530.54/x
  3. Step 3: Cross multiply
    2,950.72x = 4,066.90 × 2,530.54
  4. Step 4: Simplify right side
    2,950.72x = 10,291,453.13
  5. Step 5: Solve for x
    x = 10,291,453.13/2,950.72
  6. Step 6: Final answer
    x = 3,487.78

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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.