Home / 2,853.40-4,272.80-2,527.78

Finding the Fourth Proportional to 2,853.40, 4,272.80 and 2,527.78

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Solution

The fourth proportional to 2,853.40, 4,272.80 and 2,527.78 is: 3,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.40 : 4,272.80 = 2,527.78 : x
  2. Step 2: Convert to fraction form
    2,853.40/4,272.80 = 2,527.78/x
  3. Step 3: Cross multiply
    2,853.40x = 4,272.80 × 2,527.78
  4. Step 4: Simplify right side
    2,853.40x = 10,800,698.38
  5. Step 5: Solve for x
    x = 10,800,698.38/2,853.40
  6. Step 6: Final answer
    x = 3,785.20

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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.