Home / 3,858.04-5,324.08-2,089.64

Finding the Fourth Proportional to 3,858.04, 5,324.08 and 2,089.64

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Solution

The fourth proportional to 3,858.04, 5,324.08 and 2,089.64 is: 2,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.04 : 5,324.08 = 2,089.64 : x
  2. Step 2: Convert to fraction form
    3,858.04/5,324.08 = 2,089.64/x
  3. Step 3: Cross multiply
    3,858.04x = 5,324.08 × 2,089.64
  4. Step 4: Simplify right side
    3,858.04x = 11,125,410.53
  5. Step 5: Solve for x
    x = 11,125,410.53/3,858.04
  6. Step 6: Final answer
    x = 2,883.69

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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.