Home / 2,119.11-2,924.54-1,234.86

Finding the Fourth Proportional to 2,119.11, 2,924.54 and 1,234.86

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Solution

The fourth proportional to 2,119.11, 2,924.54 and 1,234.86 is: 1,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.11 : 2,924.54 = 1,234.86 : x
  2. Step 2: Convert to fraction form
    2,119.11/2,924.54 = 1,234.86/x
  3. Step 3: Cross multiply
    2,119.11x = 2,924.54 × 1,234.86
  4. Step 4: Simplify right side
    2,119.11x = 3,611,397.46
  5. Step 5: Solve for x
    x = 3,611,397.46/2,119.11
  6. Step 6: Final answer
    x = 1,704.20

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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.