Home / 2,177.99-3,267.89-946.43

Finding the Fourth Proportional to 2,177.99, 3,267.89 and 946.43

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Solution

The fourth proportional to 2,177.99, 3,267.89 and 946.43 is: 1,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.99 : 3,267.89 = 946.43 : x
  2. Step 2: Convert to fraction form
    2,177.99/3,267.89 = 946.43/x
  3. Step 3: Cross multiply
    2,177.99x = 3,267.89 × 946.43
  4. Step 4: Simplify right side
    2,177.99x = 3,092,847.57
  5. Step 5: Solve for x
    x = 3,092,847.57/2,177.99
  6. Step 6: Final answer
    x = 1,420.05

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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.