Home / 2,871.48-4,305.66-923.16

Finding the Fourth Proportional to 2,871.48, 4,305.66 and 923.16

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Solution

The fourth proportional to 2,871.48, 4,305.66 and 923.16 is: 1,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.48 : 4,305.66 = 923.16 : x
  2. Step 2: Convert to fraction form
    2,871.48/4,305.66 = 923.16/x
  3. Step 3: Cross multiply
    2,871.48x = 4,305.66 × 923.16
  4. Step 4: Simplify right side
    2,871.48x = 3,974,813.09
  5. Step 5: Solve for x
    x = 3,974,813.09/2,871.48
  6. Step 6: Final answer
    x = 1,384.24

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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.