Home / 1,446.24-2,177.25-986.93

Finding the Fourth Proportional to 1,446.24, 2,177.25 and 986.93

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Solution

The fourth proportional to 1,446.24, 2,177.25 and 986.93 is: 1,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.24 : 2,177.25 = 986.93 : x
  2. Step 2: Convert to fraction form
    1,446.24/2,177.25 = 986.93/x
  3. Step 3: Cross multiply
    1,446.24x = 2,177.25 × 986.93
  4. Step 4: Simplify right side
    1,446.24x = 2,148,789.12
  5. Step 5: Solve for x
    x = 2,148,789.12/1,446.24
  6. Step 6: Final answer
    x = 1,485.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.