Home / 3,902.10-5,853.14-1,954.28

Finding the Fourth Proportional to 3,902.10, 5,853.14 and 1,954.28

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Solution

The fourth proportional to 3,902.10, 5,853.14 and 1,954.28 is: 2,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.10 : 5,853.14 = 1,954.28 : x
  2. Step 2: Convert to fraction form
    3,902.10/5,853.14 = 1,954.28/x
  3. Step 3: Cross multiply
    3,902.10x = 5,853.14 × 1,954.28
  4. Step 4: Simplify right side
    3,902.10x = 11,438,674.44
  5. Step 5: Solve for x
    x = 11,438,674.44/3,902.10
  6. Step 6: Final answer
    x = 2,931.41

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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.