Home / 2,162.88-3,245.28-2,156.16

Finding the Fourth Proportional to 2,162.88, 3,245.28 and 2,156.16

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Solution

The fourth proportional to 2,162.88, 3,245.28 and 2,156.16 is: 3,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.88 : 3,245.28 = 2,156.16 : x
  2. Step 2: Convert to fraction form
    2,162.88/3,245.28 = 2,156.16/x
  3. Step 3: Cross multiply
    2,162.88x = 3,245.28 × 2,156.16
  4. Step 4: Simplify right side
    2,162.88x = 6,997,342.92
  5. Step 5: Solve for x
    x = 6,997,342.92/2,162.88
  6. Step 6: Final answer
    x = 3,235.20

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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.