Home / 1,622.07-2,429.32-1,255.68

Finding the Fourth Proportional to 1,622.07, 2,429.32 and 1,255.68

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Solution

The fourth proportional to 1,622.07, 2,429.32 and 1,255.68 is: 1,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.07 : 2,429.32 = 1,255.68 : x
  2. Step 2: Convert to fraction form
    1,622.07/2,429.32 = 1,255.68/x
  3. Step 3: Cross multiply
    1,622.07x = 2,429.32 × 1,255.68
  4. Step 4: Simplify right side
    1,622.07x = 3,050,433.25
  5. Step 5: Solve for x
    x = 3,050,433.25/1,622.07
  6. Step 6: Final answer
    x = 1,880.59

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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.