Home / 2,574.20-3,857.88-1,404.74

Finding the Fourth Proportional to 2,574.20, 3,857.88 and 1,404.74

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Solution

The fourth proportional to 2,574.20, 3,857.88 and 1,404.74 is: 2,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.20 : 3,857.88 = 1,404.74 : x
  2. Step 2: Convert to fraction form
    2,574.20/3,857.88 = 1,404.74/x
  3. Step 3: Cross multiply
    2,574.20x = 3,857.88 × 1,404.74
  4. Step 4: Simplify right side
    2,574.20x = 5,419,318.35
  5. Step 5: Solve for x
    x = 5,419,318.35/2,574.20
  6. Step 6: Final answer
    x = 2,105.24

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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.