Home / 3,255.27-4,875.81-1,690.55

Finding the Fourth Proportional to 3,255.27, 4,875.81 and 1,690.55

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Solution

The fourth proportional to 3,255.27, 4,875.81 and 1,690.55 is: 2,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.27 : 4,875.81 = 1,690.55 : x
  2. Step 2: Convert to fraction form
    3,255.27/4,875.81 = 1,690.55/x
  3. Step 3: Cross multiply
    3,255.27x = 4,875.81 × 1,690.55
  4. Step 4: Simplify right side
    3,255.27x = 8,242,800.60
  5. Step 5: Solve for x
    x = 8,242,800.60/3,255.27
  6. Step 6: Final answer
    x = 2,532.14

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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.