Home / 1,766.20-2,647.24-1,419.93

Finding the Fourth Proportional to 1,766.20, 2,647.24 and 1,419.93

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Solution

The fourth proportional to 1,766.20, 2,647.24 and 1,419.93 is: 2,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.20 : 2,647.24 = 1,419.93 : x
  2. Step 2: Convert to fraction form
    1,766.20/2,647.24 = 1,419.93/x
  3. Step 3: Cross multiply
    1,766.20x = 2,647.24 × 1,419.93
  4. Step 4: Simplify right side
    1,766.20x = 3,758,895.49
  5. Step 5: Solve for x
    x = 3,758,895.49/1,766.20
  6. Step 6: Final answer
    x = 2,128.24

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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.