Home / 3,239.40-4,468.01-2,118.54

Finding the Fourth Proportional to 3,239.40, 4,468.01 and 2,118.54

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Solution

The fourth proportional to 3,239.40, 4,468.01 and 2,118.54 is: 2,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.40 : 4,468.01 = 2,118.54 : x
  2. Step 2: Convert to fraction form
    3,239.40/4,468.01 = 2,118.54/x
  3. Step 3: Cross multiply
    3,239.40x = 4,468.01 × 2,118.54
  4. Step 4: Simplify right side
    3,239.40x = 9,465,647.31
  5. Step 5: Solve for x
    x = 9,465,647.31/3,239.40
  6. Step 6: Final answer
    x = 2,922.04

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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.