Home / 3,216.63-4,825.86-1,657.77

Finding the Fourth Proportional to 3,216.63, 4,825.86 and 1,657.77

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Solution

The fourth proportional to 3,216.63, 4,825.86 and 1,657.77 is: 2,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.63 : 4,825.86 = 1,657.77 : x
  2. Step 2: Convert to fraction form
    3,216.63/4,825.86 = 1,657.77/x
  3. Step 3: Cross multiply
    3,216.63x = 4,825.86 × 1,657.77
  4. Step 4: Simplify right side
    3,216.63x = 8,000,178.00
  5. Step 5: Solve for x
    x = 8,000,178.00/3,216.63
  6. Step 6: Final answer
    x = 2,487.13

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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.