Home / 3,220.14-4,444.40-1,894.98

Finding the Fourth Proportional to 3,220.14, 4,444.40 and 1,894.98

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Solution

The fourth proportional to 3,220.14, 4,444.40 and 1,894.98 is: 2,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.14 : 4,444.40 = 1,894.98 : x
  2. Step 2: Convert to fraction form
    3,220.14/4,444.40 = 1,894.98/x
  3. Step 3: Cross multiply
    3,220.14x = 4,444.40 × 1,894.98
  4. Step 4: Simplify right side
    3,220.14x = 8,422,049.11
  5. Step 5: Solve for x
    x = 8,422,049.11/3,220.14
  6. Step 6: Final answer
    x = 2,615.43

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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.