Home / 3,518.79-5,276.41-1,297.51

Finding the Fourth Proportional to 3,518.79, 5,276.41 and 1,297.51

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Solution

The fourth proportional to 3,518.79, 5,276.41 and 1,297.51 is: 1,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.79 : 5,276.41 = 1,297.51 : x
  2. Step 2: Convert to fraction form
    3,518.79/5,276.41 = 1,297.51/x
  3. Step 3: Cross multiply
    3,518.79x = 5,276.41 × 1,297.51
  4. Step 4: Simplify right side
    3,518.79x = 6,846,194.74
  5. Step 5: Solve for x
    x = 6,846,194.74/3,518.79
  6. Step 6: Final answer
    x = 1,945.61

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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.