Home / 1,610.31-2,221.38-1,051.71

Finding the Fourth Proportional to 1,610.31, 2,221.38 and 1,051.71

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Solution

The fourth proportional to 1,610.31, 2,221.38 and 1,051.71 is: 1,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.31 : 2,221.38 = 1,051.71 : x
  2. Step 2: Convert to fraction form
    1,610.31/2,221.38 = 1,051.71/x
  3. Step 3: Cross multiply
    1,610.31x = 2,221.38 × 1,051.71
  4. Step 4: Simplify right side
    1,610.31x = 2,336,247.56
  5. Step 5: Solve for x
    x = 2,336,247.56/1,610.31
  6. Step 6: Final answer
    x = 1,450.81

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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.