Home / 3,216.19-4,816.37-2,657.48

Finding the Fourth Proportional to 3,216.19, 4,816.37 and 2,657.48

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Solution

The fourth proportional to 3,216.19, 4,816.37 and 2,657.48 is: 3,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.19 : 4,816.37 = 2,657.48 : x
  2. Step 2: Convert to fraction form
    3,216.19/4,816.37 = 2,657.48/x
  3. Step 3: Cross multiply
    3,216.19x = 4,816.37 × 2,657.48
  4. Step 4: Simplify right side
    3,216.19x = 12,799,406.95
  5. Step 5: Solve for x
    x = 12,799,406.95/3,216.19
  6. Step 6: Final answer
    x = 3,979.68

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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.