Home / 2,299.91-3,450.29-1,640.14

Finding the Fourth Proportional to 2,299.91, 3,450.29 and 1,640.14

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Solution

The fourth proportional to 2,299.91, 3,450.29 and 1,640.14 is: 2,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.91 : 3,450.29 = 1,640.14 : x
  2. Step 2: Convert to fraction form
    2,299.91/3,450.29 = 1,640.14/x
  3. Step 3: Cross multiply
    2,299.91x = 3,450.29 × 1,640.14
  4. Step 4: Simplify right side
    2,299.91x = 5,658,941.81
  5. Step 5: Solve for x
    x = 5,658,941.81/2,299.91
  6. Step 6: Final answer
    x = 2,460.51

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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.