Home / 1,418.60-2,122.14-1,050.80

Finding the Fourth Proportional to 1,418.60, 2,122.14 and 1,050.80

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Solution

The fourth proportional to 1,418.60, 2,122.14 and 1,050.80 is: 1,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.60 : 2,122.14 = 1,050.80 : x
  2. Step 2: Convert to fraction form
    1,418.60/2,122.14 = 1,050.80/x
  3. Step 3: Cross multiply
    1,418.60x = 2,122.14 × 1,050.80
  4. Step 4: Simplify right side
    1,418.60x = 2,229,944.71
  5. Step 5: Solve for x
    x = 2,229,944.71/1,418.60
  6. Step 6: Final answer
    x = 1,571.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.