Home / 2,390.94-3,299.56-1,446.90

Finding the Fourth Proportional to 2,390.94, 3,299.56 and 1,446.90

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Solution

The fourth proportional to 2,390.94, 3,299.56 and 1,446.90 is: 1,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.94 : 3,299.56 = 1,446.90 : x
  2. Step 2: Convert to fraction form
    2,390.94/3,299.56 = 1,446.90/x
  3. Step 3: Cross multiply
    2,390.94x = 3,299.56 × 1,446.90
  4. Step 4: Simplify right side
    2,390.94x = 4,774,133.36
  5. Step 5: Solve for x
    x = 4,774,133.36/2,390.94
  6. Step 6: Final answer
    x = 1,996.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.