Home / 3,244.58-4,477.20-1,985.99

Finding the Fourth Proportional to 3,244.58, 4,477.20 and 1,985.99

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Solution

The fourth proportional to 3,244.58, 4,477.20 and 1,985.99 is: 2,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.58 : 4,477.20 = 1,985.99 : x
  2. Step 2: Convert to fraction form
    3,244.58/4,477.20 = 1,985.99/x
  3. Step 3: Cross multiply
    3,244.58x = 4,477.20 × 1,985.99
  4. Step 4: Simplify right side
    3,244.58x = 8,891,687.96
  5. Step 5: Solve for x
    x = 8,891,687.96/3,244.58
  6. Step 6: Final answer
    x = 2,740.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.