Home / 2,156.80-3,234.68-1,001.44

Finding the Fourth Proportional to 2,156.80, 3,234.68 and 1,001.44

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Solution

The fourth proportional to 2,156.80, 3,234.68 and 1,001.44 is: 1,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.80 : 3,234.68 = 1,001.44 : x
  2. Step 2: Convert to fraction form
    2,156.80/3,234.68 = 1,001.44/x
  3. Step 3: Cross multiply
    2,156.80x = 3,234.68 × 1,001.44
  4. Step 4: Simplify right side
    2,156.80x = 3,239,337.94
  5. Step 5: Solve for x
    x = 3,239,337.94/2,156.80
  6. Step 6: Final answer
    x = 1,501.92

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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.