Home / 1,906.12-2,630.57-1,066.83

Finding the Fourth Proportional to 1,906.12, 2,630.57 and 1,066.83

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Solution

The fourth proportional to 1,906.12, 2,630.57 and 1,066.83 is: 1,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.12 : 2,630.57 = 1,066.83 : x
  2. Step 2: Convert to fraction form
    1,906.12/2,630.57 = 1,066.83/x
  3. Step 3: Cross multiply
    1,906.12x = 2,630.57 × 1,066.83
  4. Step 4: Simplify right side
    1,906.12x = 2,806,370.99
  5. Step 5: Solve for x
    x = 2,806,370.99/1,906.12
  6. Step 6: Final answer
    x = 1,472.30

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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.