Home / 1,417.16-2,125.73-443.27

Finding the Fourth Proportional to 1,417.16, 2,125.73 and 443.27

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Solution

The fourth proportional to 1,417.16, 2,125.73 and 443.27 is: 664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.16 : 2,125.73 = 443.27 : x
  2. Step 2: Convert to fraction form
    1,417.16/2,125.73 = 443.27/x
  3. Step 3: Cross multiply
    1,417.16x = 2,125.73 × 443.27
  4. Step 4: Simplify right side
    1,417.16x = 942,277.10
  5. Step 5: Solve for x
    x = 942,277.10/1,417.16
  6. Step 6: Final answer
    x = 664.90

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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.