Home / 1,766.40-2,634.24-1,747.20

Finding the Fourth Proportional to 1,766.40, 2,634.24 and 1,747.20

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Solution

The fourth proportional to 1,766.40, 2,634.24 and 1,747.20 is: 2,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.40 : 2,634.24 = 1,747.20 : x
  2. Step 2: Convert to fraction form
    1,766.40/2,634.24 = 1,747.20/x
  3. Step 3: Cross multiply
    1,766.40x = 2,634.24 × 1,747.20
  4. Step 4: Simplify right side
    1,766.40x = 4,602,544.13
  5. Step 5: Solve for x
    x = 4,602,544.13/1,766.40
  6. Step 6: Final answer
    x = 2,605.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.