Home / 1,629.40-2,440.90-1,514.20

Finding the Fourth Proportional to 1,629.40, 2,440.90 and 1,514.20

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Solution

The fourth proportional to 1,629.40, 2,440.90 and 1,514.20 is: 2,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.40 : 2,440.90 = 1,514.20 : x
  2. Step 2: Convert to fraction form
    1,629.40/2,440.90 = 1,514.20/x
  3. Step 3: Cross multiply
    1,629.40x = 2,440.90 × 1,514.20
  4. Step 4: Simplify right side
    1,629.40x = 3,696,010.78
  5. Step 5: Solve for x
    x = 3,696,010.78/1,629.40
  6. Step 6: Final answer
    x = 2,268.33

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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.