Home / 3,451.30-5,164.80-2,357.80

Finding the Fourth Proportional to 3,451.30, 5,164.80 and 2,357.80

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Solution

The fourth proportional to 3,451.30, 5,164.80 and 2,357.80 is: 3,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.30 : 5,164.80 = 2,357.80 : x
  2. Step 2: Convert to fraction form
    3,451.30/5,164.80 = 2,357.80/x
  3. Step 3: Cross multiply
    3,451.30x = 5,164.80 × 2,357.80
  4. Step 4: Simplify right side
    3,451.30x = 12,177,565.44
  5. Step 5: Solve for x
    x = 12,177,565.44/3,451.30
  6. Step 6: Final answer
    x = 3,528.40

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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.