Home / 3,389.44-5,083.68-1,657.60

Finding the Fourth Proportional to 3,389.44, 5,083.68 and 1,657.60

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Solution

The fourth proportional to 3,389.44, 5,083.68 and 1,657.60 is: 2,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.44 : 5,083.68 = 1,657.60 : x
  2. Step 2: Convert to fraction form
    3,389.44/5,083.68 = 1,657.60/x
  3. Step 3: Cross multiply
    3,389.44x = 5,083.68 × 1,657.60
  4. Step 4: Simplify right side
    3,389.44x = 8,426,707.97
  5. Step 5: Solve for x
    x = 8,426,707.97/3,389.44
  6. Step 6: Final answer
    x = 2,486.17

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1.5x scale

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.