Home / 2,427.03-3,640.14-866.70

Finding the Fourth Proportional to 2,427.03, 3,640.14 and 866.70

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Solution

The fourth proportional to 2,427.03, 3,640.14 and 866.70 is: 1,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.03 : 3,640.14 = 866.70 : x
  2. Step 2: Convert to fraction form
    2,427.03/3,640.14 = 866.70/x
  3. Step 3: Cross multiply
    2,427.03x = 3,640.14 × 866.70
  4. Step 4: Simplify right side
    2,427.03x = 3,154,909.34
  5. Step 5: Solve for x
    x = 3,154,909.34/2,427.03
  6. Step 6: Final answer
    x = 1,299.91

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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.