Home / 1,610.73-2,222.37-1,217.07

Finding the Fourth Proportional to 1,610.73, 2,222.37 and 1,217.07

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Solution

The fourth proportional to 1,610.73, 2,222.37 and 1,217.07 is: 1,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.73 : 2,222.37 = 1,217.07 : x
  2. Step 2: Convert to fraction form
    1,610.73/2,222.37 = 1,217.07/x
  3. Step 3: Cross multiply
    1,610.73x = 2,222.37 × 1,217.07
  4. Step 4: Simplify right side
    1,610.73x = 2,704,779.86
  5. Step 5: Solve for x
    x = 2,704,779.86/1,610.73
  6. Step 6: Final answer
    x = 1,679.23

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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.