Home / 3,938.85-5,908.59-1,017.14

Finding the Fourth Proportional to 3,938.85, 5,908.59 and 1,017.14

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Solution

The fourth proportional to 3,938.85, 5,908.59 and 1,017.14 is: 1,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.85 : 5,908.59 = 1,017.14 : x
  2. Step 2: Convert to fraction form
    3,938.85/5,908.59 = 1,017.14/x
  3. Step 3: Cross multiply
    3,938.85x = 5,908.59 × 1,017.14
  4. Step 4: Simplify right side
    3,938.85x = 6,009,833.69
  5. Step 5: Solve for x
    x = 6,009,833.69/3,938.85
  6. Step 6: Final answer
    x = 1,525.78

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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.