Home / 1,934.57-2,668.73-1,304.30

Finding the Fourth Proportional to 1,934.57, 2,668.73 and 1,304.30

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Solution

The fourth proportional to 1,934.57, 2,668.73 and 1,304.30 is: 1,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.57 : 2,668.73 = 1,304.30 : x
  2. Step 2: Convert to fraction form
    1,934.57/2,668.73 = 1,304.30/x
  3. Step 3: Cross multiply
    1,934.57x = 2,668.73 × 1,304.30
  4. Step 4: Simplify right side
    1,934.57x = 3,480,821.13
  5. Step 5: Solve for x
    x = 3,480,821.13/1,934.57
  6. Step 6: Final answer
    x = 1,799.28

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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.