Home / 1,372.37-2,057.34-1,049.18

Finding the Fourth Proportional to 1,372.37, 2,057.34 and 1,049.18

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Solution

The fourth proportional to 1,372.37, 2,057.34 and 1,049.18 is: 1,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.37 : 2,057.34 = 1,049.18 : x
  2. Step 2: Convert to fraction form
    1,372.37/2,057.34 = 1,049.18/x
  3. Step 3: Cross multiply
    1,372.37x = 2,057.34 × 1,049.18
  4. Step 4: Simplify right side
    1,372.37x = 2,158,519.98
  5. Step 5: Solve for x
    x = 2,158,519.98/1,372.37
  6. Step 6: Final answer
    x = 1,572.84

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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.