Home / 1,912.41-2,867.00-1,564.92

Finding the Fourth Proportional to 1,912.41, 2,867.00 and 1,564.92

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Solution

The fourth proportional to 1,912.41, 2,867.00 and 1,564.92 is: 2,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.41 : 2,867.00 = 1,564.92 : x
  2. Step 2: Convert to fraction form
    1,912.41/2,867.00 = 1,564.92/x
  3. Step 3: Cross multiply
    1,912.41x = 2,867.00 × 1,564.92
  4. Step 4: Simplify right side
    1,912.41x = 4,486,617.82
  5. Step 5: Solve for x
    x = 4,486,617.82/1,912.41
  6. Step 6: Final answer
    x = 2,346.05

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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.