Home / 1,456.92-2,176.74-1,443.96

Finding the Fourth Proportional to 1,456.92, 2,176.74 and 1,443.96

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Solution

The fourth proportional to 1,456.92, 2,176.74 and 1,443.96 is: 2,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.92 : 2,176.74 = 1,443.96 : x
  2. Step 2: Convert to fraction form
    1,456.92/2,176.74 = 1,443.96/x
  3. Step 3: Cross multiply
    1,456.92x = 2,176.74 × 1,443.96
  4. Step 4: Simplify right side
    1,456.92x = 3,143,125.49
  5. Step 5: Solve for x
    x = 3,143,125.49/1,456.92
  6. Step 6: Final answer
    x = 2,157.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.