Home / 3,029.58-4,188.49-2,660.40

Finding the Fourth Proportional to 3,029.58, 4,188.49 and 2,660.40

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Solution

The fourth proportional to 3,029.58, 4,188.49 and 2,660.40 is: 3,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.58 : 4,188.49 = 2,660.40 : x
  2. Step 2: Convert to fraction form
    3,029.58/4,188.49 = 2,660.40/x
  3. Step 3: Cross multiply
    3,029.58x = 4,188.49 × 2,660.40
  4. Step 4: Simplify right side
    3,029.58x = 11,143,052.15
  5. Step 5: Solve for x
    x = 11,143,052.15/3,029.58
  6. Step 6: Final answer
    x = 3,678.08

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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.