Home / 3,712.79-5,565.53-1,766.36

Finding the Fourth Proportional to 3,712.79, 5,565.53 and 1,766.36

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Solution

The fourth proportional to 3,712.79, 5,565.53 and 1,766.36 is: 2,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.79 : 5,565.53 = 1,766.36 : x
  2. Step 2: Convert to fraction form
    3,712.79/5,565.53 = 1,766.36/x
  3. Step 3: Cross multiply
    3,712.79x = 5,565.53 × 1,766.36
  4. Step 4: Simplify right side
    3,712.79x = 9,830,692.91
  5. Step 5: Solve for x
    x = 9,830,692.91/3,712.79
  6. Step 6: Final answer
    x = 2,647.79

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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.