Home / 3,231.63-4,816.80-3,124.98

Finding the Fourth Proportional to 3,231.63, 4,816.80 and 3,124.98

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Solution

The fourth proportional to 3,231.63, 4,816.80 and 3,124.98 is: 4,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.63 : 4,816.80 = 3,124.98 : x
  2. Step 2: Convert to fraction form
    3,231.63/4,816.80 = 3,124.98/x
  3. Step 3: Cross multiply
    3,231.63x = 4,816.80 × 3,124.98
  4. Step 4: Simplify right side
    3,231.63x = 15,052,403.66
  5. Step 5: Solve for x
    x = 15,052,403.66/3,231.63
  6. Step 6: Final answer
    x = 4,657.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.