Home / 2,132.22-2,942.40-2,069.34

Finding the Fourth Proportional to 2,132.22, 2,942.40 and 2,069.34

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Solution

The fourth proportional to 2,132.22, 2,942.40 and 2,069.34 is: 2,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.22 : 2,942.40 = 2,069.34 : x
  2. Step 2: Convert to fraction form
    2,132.22/2,942.40 = 2,069.34/x
  3. Step 3: Cross multiply
    2,132.22x = 2,942.40 × 2,069.34
  4. Step 4: Simplify right side
    2,132.22x = 6,088,826.02
  5. Step 5: Solve for x
    x = 6,088,826.02/2,132.22
  6. Step 6: Final answer
    x = 2,855.63

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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.