Home / 2,529.12-3,793.86-1,297.40

Finding the Fourth Proportional to 2,529.12, 3,793.86 and 1,297.40

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Solution

The fourth proportional to 2,529.12, 3,793.86 and 1,297.40 is: 1,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.12 : 3,793.86 = 1,297.40 : x
  2. Step 2: Convert to fraction form
    2,529.12/3,793.86 = 1,297.40/x
  3. Step 3: Cross multiply
    2,529.12x = 3,793.86 × 1,297.40
  4. Step 4: Simplify right side
    2,529.12x = 4,922,134.99
  5. Step 5: Solve for x
    x = 4,922,134.99/2,529.12
  6. Step 6: Final answer
    x = 1,946.18

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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.