Home / 3,254.28-4,881.68-1,610.39

Finding the Fourth Proportional to 3,254.28, 4,881.68 and 1,610.39

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Solution

The fourth proportional to 3,254.28, 4,881.68 and 1,610.39 is: 2,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.28 : 4,881.68 = 1,610.39 : x
  2. Step 2: Convert to fraction form
    3,254.28/4,881.68 = 1,610.39/x
  3. Step 3: Cross multiply
    3,254.28x = 4,881.68 × 1,610.39
  4. Step 4: Simplify right side
    3,254.28x = 7,861,376.19
  5. Step 5: Solve for x
    x = 7,861,376.19/3,254.28
  6. Step 6: Final answer
    x = 2,415.70

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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.