Home / 3,244.89-4,477.82-1,985.47

Finding the Fourth Proportional to 3,244.89, 4,477.82 and 1,985.47

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Solution

The fourth proportional to 3,244.89, 4,477.82 and 1,985.47 is: 2,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.89 : 4,477.82 = 1,985.47 : x
  2. Step 2: Convert to fraction form
    3,244.89/4,477.82 = 1,985.47/x
  3. Step 3: Cross multiply
    3,244.89x = 4,477.82 × 1,985.47
  4. Step 4: Simplify right side
    3,244.89x = 8,890,577.28
  5. Step 5: Solve for x
    x = 8,890,577.28/3,244.89
  6. Step 6: Final answer
    x = 2,739.87

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1.5x scale

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.