Home / 1,610.20-2,222.36-1,314.92

Finding the Fourth Proportional to 1,610.20, 2,222.36 and 1,314.92

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Solution

The fourth proportional to 1,610.20, 2,222.36 and 1,314.92 is: 1,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.20 : 2,222.36 = 1,314.92 : x
  2. Step 2: Convert to fraction form
    1,610.20/2,222.36 = 1,314.92/x
  3. Step 3: Cross multiply
    1,610.20x = 2,222.36 × 1,314.92
  4. Step 4: Simplify right side
    1,610.20x = 2,922,225.61
  5. Step 5: Solve for x
    x = 2,922,225.61/1,610.20
  6. Step 6: Final answer
    x = 1,814.82

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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.