Home / 3,492.12-5,231.23-1,637.60

Finding the Fourth Proportional to 3,492.12, 5,231.23 and 1,637.60

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Solution

The fourth proportional to 3,492.12, 5,231.23 and 1,637.60 is: 2,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.12 : 5,231.23 = 1,637.60 : x
  2. Step 2: Convert to fraction form
    3,492.12/5,231.23 = 1,637.60/x
  3. Step 3: Cross multiply
    3,492.12x = 5,231.23 × 1,637.60
  4. Step 4: Simplify right side
    3,492.12x = 8,566,632.00
  5. Step 5: Solve for x
    x = 8,566,632.00/3,492.12
  6. Step 6: Final answer
    x = 2,453.13

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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.