Home / 1,629.46-2,440.14-1,140.22

Finding the Fourth Proportional to 1,629.46, 2,440.14 and 1,140.22

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Solution

The fourth proportional to 1,629.46, 2,440.14 and 1,140.22 is: 1,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.46 : 2,440.14 = 1,140.22 : x
  2. Step 2: Convert to fraction form
    1,629.46/2,440.14 = 1,140.22/x
  3. Step 3: Cross multiply
    1,629.46x = 2,440.14 × 1,140.22
  4. Step 4: Simplify right side
    1,629.46x = 2,782,296.43
  5. Step 5: Solve for x
    x = 2,782,296.43/1,629.46
  6. Step 6: Final answer
    x = 1,707.50

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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.