Home / 2,450.08-3,380.88-1,985.44

Finding the Fourth Proportional to 2,450.08, 3,380.88 and 1,985.44

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Solution

The fourth proportional to 2,450.08, 3,380.88 and 1,985.44 is: 2,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.08 : 3,380.88 = 1,985.44 : x
  2. Step 2: Convert to fraction form
    2,450.08/3,380.88 = 1,985.44/x
  3. Step 3: Cross multiply
    2,450.08x = 3,380.88 × 1,985.44
  4. Step 4: Simplify right side
    2,450.08x = 6,712,534.39
  5. Step 5: Solve for x
    x = 6,712,534.39/2,450.08
  6. Step 6: Final answer
    x = 2,739.72

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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.