Home / 3,949.95-5,450.82-2,603.91

Finding the Fourth Proportional to 3,949.95, 5,450.82 and 2,603.91

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Solution

The fourth proportional to 3,949.95, 5,450.82 and 2,603.91 is: 3,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.95 : 5,450.82 = 2,603.91 : x
  2. Step 2: Convert to fraction form
    3,949.95/5,450.82 = 2,603.91/x
  3. Step 3: Cross multiply
    3,949.95x = 5,450.82 × 2,603.91
  4. Step 4: Simplify right side
    3,949.95x = 14,193,444.71
  5. Step 5: Solve for x
    x = 14,193,444.71/3,949.95
  6. Step 6: Final answer
    x = 3,593.32

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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.