Home / 2,119.07-2,924.25-1,234.91

Finding the Fourth Proportional to 2,119.07, 2,924.25 and 1,234.91

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Solution

The fourth proportional to 2,119.07, 2,924.25 and 1,234.91 is: 1,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.07 : 2,924.25 = 1,234.91 : x
  2. Step 2: Convert to fraction form
    2,119.07/2,924.25 = 1,234.91/x
  3. Step 3: Cross multiply
    2,119.07x = 2,924.25 × 1,234.91
  4. Step 4: Simplify right side
    2,119.07x = 3,611,185.57
  5. Step 5: Solve for x
    x = 3,611,185.57/2,119.07
  6. Step 6: Final answer
    x = 1,704.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.