Home / 2,177.20-3,267.74-1,434.73

Finding the Fourth Proportional to 2,177.20, 3,267.74 and 1,434.73

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Solution

The fourth proportional to 2,177.20, 3,267.74 and 1,434.73 is: 2,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.20 : 3,267.74 = 1,434.73 : x
  2. Step 2: Convert to fraction form
    2,177.20/3,267.74 = 1,434.73/x
  3. Step 3: Cross multiply
    2,177.20x = 3,267.74 × 1,434.73
  4. Step 4: Simplify right side
    2,177.20x = 4,688,343.39
  5. Step 5: Solve for x
    x = 4,688,343.39/2,177.20
  6. Step 6: Final answer
    x = 2,153.38

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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.