Home / 3,788.20-5,684.02-1,707.06

Finding the Fourth Proportional to 3,788.20, 5,684.02 and 1,707.06

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Solution

The fourth proportional to 3,788.20, 5,684.02 and 1,707.06 is: 2,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.20 : 5,684.02 = 1,707.06 : x
  2. Step 2: Convert to fraction form
    3,788.20/5,684.02 = 1,707.06/x
  3. Step 3: Cross multiply
    3,788.20x = 5,684.02 × 1,707.06
  4. Step 4: Simplify right side
    3,788.20x = 9,702,963.18
  5. Step 5: Solve for x
    x = 9,702,963.18/3,788.20
  6. Step 6: Final answer
    x = 2,561.37

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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.