Home / 1,640.26-2,447.70-1,465.04

Finding the Fourth Proportional to 1,640.26, 2,447.70 and 1,465.04

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Solution

The fourth proportional to 1,640.26, 2,447.70 and 1,465.04 is: 2,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.26 : 2,447.70 = 1,465.04 : x
  2. Step 2: Convert to fraction form
    1,640.26/2,447.70 = 1,465.04/x
  3. Step 3: Cross multiply
    1,640.26x = 2,447.70 × 1,465.04
  4. Step 4: Simplify right side
    1,640.26x = 3,585,978.41
  5. Step 5: Solve for x
    x = 3,585,978.41/1,640.26
  6. Step 6: Final answer
    x = 2,186.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.