Home / 1,934.15-2,670.24-1,272.14

Finding the Fourth Proportional to 1,934.15, 2,670.24 and 1,272.14

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Solution

The fourth proportional to 1,934.15, 2,670.24 and 1,272.14 is: 1,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.15 : 2,670.24 = 1,272.14 : x
  2. Step 2: Convert to fraction form
    1,934.15/2,670.24 = 1,272.14/x
  3. Step 3: Cross multiply
    1,934.15x = 2,670.24 × 1,272.14
  4. Step 4: Simplify right side
    1,934.15x = 3,396,919.11
  5. Step 5: Solve for x
    x = 3,396,919.11/1,934.15
  6. Step 6: Final answer
    x = 1,756.29

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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.