Home / 2,574.15-3,859.78-1,697.15

Finding the Fourth Proportional to 2,574.15, 3,859.78 and 1,697.15

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Solution

The fourth proportional to 2,574.15, 3,859.78 and 1,697.15 is: 2,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.15 : 3,859.78 = 1,697.15 : x
  2. Step 2: Convert to fraction form
    2,574.15/3,859.78 = 1,697.15/x
  3. Step 3: Cross multiply
    2,574.15x = 3,859.78 × 1,697.15
  4. Step 4: Simplify right side
    2,574.15x = 6,550,629.44
  5. Step 5: Solve for x
    x = 6,550,629.44/2,574.15
  6. Step 6: Final answer
    x = 2,544.77

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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.