Home / 2,390.67-3,299.16-1,446.57

Finding the Fourth Proportional to 2,390.67, 3,299.16 and 1,446.57

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Solution

The fourth proportional to 2,390.67, 3,299.16 and 1,446.57 is: 1,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.67 : 3,299.16 = 1,446.57 : x
  2. Step 2: Convert to fraction form
    2,390.67/3,299.16 = 1,446.57/x
  3. Step 3: Cross multiply
    2,390.67x = 3,299.16 × 1,446.57
  4. Step 4: Simplify right side
    2,390.67x = 4,772,465.88
  5. Step 5: Solve for x
    x = 4,772,465.88/2,390.67
  6. Step 6: Final answer
    x = 1,996.29

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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.