Home / 3,918.21-5,875.92-1,144.14

Finding the Fourth Proportional to 3,918.21, 5,875.92 and 1,144.14

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Solution

The fourth proportional to 3,918.21, 5,875.92 and 1,144.14 is: 1,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.21 : 5,875.92 = 1,144.14 : x
  2. Step 2: Convert to fraction form
    3,918.21/5,875.92 = 1,144.14/x
  3. Step 3: Cross multiply
    3,918.21x = 5,875.92 × 1,144.14
  4. Step 4: Simplify right side
    3,918.21x = 6,722,875.11
  5. Step 5: Solve for x
    x = 6,722,875.11/3,918.21
  6. Step 6: Final answer
    x = 1,715.80

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1.5x scale

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.