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Finding the Fourth Proportional to 3,883, 5,358.40 and 2,114.58

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Solution

The fourth proportional to 3,883, 5,358.40 and 2,114.58 is: 2,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883 : 5,358.40 = 2,114.58 : x
  2. Step 2: Convert to fraction form
    3,883/5,358.40 = 2,114.58/x
  3. Step 3: Cross multiply
    3,883x = 5,358.40 × 2,114.58
  4. Step 4: Simplify right side
    3,883x = 11,330,765.47
  5. Step 5: Solve for x
    x = 11,330,765.47/3,883
  6. Step 6: Final answer
    x = 2,918.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.