Home / 2,407.21-3,609.33-945.70

Finding the Fourth Proportional to 2,407.21, 3,609.33 and 945.70

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Solution

The fourth proportional to 2,407.21, 3,609.33 and 945.70 is: 1,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.21 : 3,609.33 = 945.70 : x
  2. Step 2: Convert to fraction form
    2,407.21/3,609.33 = 945.70/x
  3. Step 3: Cross multiply
    2,407.21x = 3,609.33 × 945.70
  4. Step 4: Simplify right side
    2,407.21x = 3,413,343.38
  5. Step 5: Solve for x
    x = 3,413,343.38/2,407.21
  6. Step 6: Final answer
    x = 1,417.97

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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.