Home / 2,670.12-4,004.16-1,282.58

Finding the Fourth Proportional to 2,670.12, 4,004.16 and 1,282.58

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Solution

The fourth proportional to 2,670.12, 4,004.16 and 1,282.58 is: 1,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.12 : 4,004.16 = 1,282.58 : x
  2. Step 2: Convert to fraction form
    2,670.12/4,004.16 = 1,282.58/x
  3. Step 3: Cross multiply
    2,670.12x = 4,004.16 × 1,282.58
  4. Step 4: Simplify right side
    2,670.12x = 5,135,655.53
  5. Step 5: Solve for x
    x = 5,135,655.53/2,670.12
  6. Step 6: Final answer
    x = 1,923.38

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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.