Home / 1,629.43-2,247.79-1,030.92

Finding the Fourth Proportional to 1,629.43, 2,247.79 and 1,030.92

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Solution

The fourth proportional to 1,629.43, 2,247.79 and 1,030.92 is: 1,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.43 : 2,247.79 = 1,030.92 : x
  2. Step 2: Convert to fraction form
    1,629.43/2,247.79 = 1,030.92/x
  3. Step 3: Cross multiply
    1,629.43x = 2,247.79 × 1,030.92
  4. Step 4: Simplify right side
    1,629.43x = 2,317,287.47
  5. Step 5: Solve for x
    x = 2,317,287.47/1,629.43
  6. Step 6: Final answer
    x = 1,422.14

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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.