Home / 2,162.22-3,240.90-1,064.28

Finding the Fourth Proportional to 2,162.22, 3,240.90 and 1,064.28

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Solution

The fourth proportional to 2,162.22, 3,240.90 and 1,064.28 is: 1,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.22 : 3,240.90 = 1,064.28 : x
  2. Step 2: Convert to fraction form
    2,162.22/3,240.90 = 1,064.28/x
  3. Step 3: Cross multiply
    2,162.22x = 3,240.90 × 1,064.28
  4. Step 4: Simplify right side
    2,162.22x = 3,449,225.05
  5. Step 5: Solve for x
    x = 3,449,225.05/2,162.22
  6. Step 6: Final answer
    x = 1,595.22

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1.5x scale

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.