Home / 2,056.22-2,837.70-1,217.42

Finding the Fourth Proportional to 2,056.22, 2,837.70 and 1,217.42

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Solution

The fourth proportional to 2,056.22, 2,837.70 and 1,217.42 is: 1,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.22 : 2,837.70 = 1,217.42 : x
  2. Step 2: Convert to fraction form
    2,056.22/2,837.70 = 1,217.42/x
  3. Step 3: Cross multiply
    2,056.22x = 2,837.70 × 1,217.42
  4. Step 4: Simplify right side
    2,056.22x = 3,454,672.73
  5. Step 5: Solve for x
    x = 3,454,672.73/2,056.22
  6. Step 6: Final answer
    x = 1,680.11

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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.