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Finding the Fourth Proportional to 1,600.12, 2,210.29 and 1,231.67

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Solution

The fourth proportional to 1,600.12, 2,210.29 and 1,231.67 is: 1,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.12 : 2,210.29 = 1,231.67 : x
  2. Step 2: Convert to fraction form
    1,600.12/2,210.29 = 1,231.67/x
  3. Step 3: Cross multiply
    1,600.12x = 2,210.29 × 1,231.67
  4. Step 4: Simplify right side
    1,600.12x = 2,722,350.33
  5. Step 5: Solve for x
    x = 2,722,350.33/1,600.12
  6. Step 6: Final answer
    x = 1,701.34

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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.