Home / 3,603.15-5,393.79-2,305.53

Finding the Fourth Proportional to 3,603.15, 5,393.79 and 2,305.53

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Solution

The fourth proportional to 3,603.15, 5,393.79 and 2,305.53 is: 3,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.15 : 5,393.79 = 2,305.53 : x
  2. Step 2: Convert to fraction form
    3,603.15/5,393.79 = 2,305.53/x
  3. Step 3: Cross multiply
    3,603.15x = 5,393.79 × 2,305.53
  4. Step 4: Simplify right side
    3,603.15x = 12,435,544.66
  5. Step 5: Solve for x
    x = 12,435,544.66/3,603.15
  6. Step 6: Final answer
    x = 3,451.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.