Home / 1,934.74-2,670.60-1,188.73

Finding the Fourth Proportional to 1,934.74, 2,670.60 and 1,188.73

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Solution

The fourth proportional to 1,934.74, 2,670.60 and 1,188.73 is: 1,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.74 : 2,670.60 = 1,188.73 : x
  2. Step 2: Convert to fraction form
    1,934.74/2,670.60 = 1,188.73/x
  3. Step 3: Cross multiply
    1,934.74x = 2,670.60 × 1,188.73
  4. Step 4: Simplify right side
    1,934.74x = 3,174,622.34
  5. Step 5: Solve for x
    x = 3,174,622.34/1,934.74
  6. Step 6: Final answer
    x = 1,640.85

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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.