Home / 3,949.95-5,451.72-2,603.19

Finding the Fourth Proportional to 3,949.95, 5,451.72 and 2,603.19

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Solution

The fourth proportional to 3,949.95, 5,451.72 and 2,603.19 is: 3,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.95 : 5,451.72 = 2,603.19 : x
  2. Step 2: Convert to fraction form
    3,949.95/5,451.72 = 2,603.19/x
  3. Step 3: Cross multiply
    3,949.95x = 5,451.72 × 2,603.19
  4. Step 4: Simplify right side
    3,949.95x = 14,191,862.99
  5. Step 5: Solve for x
    x = 14,191,862.99/3,949.95
  6. Step 6: Final answer
    x = 3,592.92

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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.