Home / 1,571.23-2,182.51-1,546.11

Finding the Fourth Proportional to 1,571.23, 2,182.51 and 1,546.11

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Solution

The fourth proportional to 1,571.23, 2,182.51 and 1,546.11 is: 2,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.23 : 2,182.51 = 1,546.11 : x
  2. Step 2: Convert to fraction form
    1,571.23/2,182.51 = 1,546.11/x
  3. Step 3: Cross multiply
    1,571.23x = 2,182.51 × 1,546.11
  4. Step 4: Simplify right side
    1,571.23x = 3,374,409.42
  5. Step 5: Solve for x
    x = 3,374,409.42/1,571.23
  6. Step 6: Final answer
    x = 2,147.62

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.