Home / 3,918.09-5,875.29-1,452.85

Finding the Fourth Proportional to 3,918.09, 5,875.29 and 1,452.85

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Solution

The fourth proportional to 3,918.09, 5,875.29 and 1,452.85 is: 2,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.09 : 5,875.29 = 1,452.85 : x
  2. Step 2: Convert to fraction form
    3,918.09/5,875.29 = 1,452.85/x
  3. Step 3: Cross multiply
    3,918.09x = 5,875.29 × 1,452.85
  4. Step 4: Simplify right side
    3,918.09x = 8,535,915.08
  5. Step 5: Solve for x
    x = 8,535,915.08/3,918.09
  6. Step 6: Final answer
    x = 2,178.59

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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.