Home / 1,546.57-2,331.41-1,415.21

Finding the Fourth Proportional to 1,546.57, 2,331.41 and 1,415.21

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Solution

The fourth proportional to 1,546.57, 2,331.41 and 1,415.21 is: 2,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.57 : 2,331.41 = 1,415.21 : x
  2. Step 2: Convert to fraction form
    1,546.57/2,331.41 = 1,415.21/x
  3. Step 3: Cross multiply
    1,546.57x = 2,331.41 × 1,415.21
  4. Step 4: Simplify right side
    1,546.57x = 3,299,433.50
  5. Step 5: Solve for x
    x = 3,299,433.50/1,546.57
  6. Step 6: Final answer
    x = 2,133.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.