Home / 3,603.18-5,396.37-2,774.88

Finding the Fourth Proportional to 3,603.18, 5,396.37 and 2,774.88

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Solution

The fourth proportional to 3,603.18, 5,396.37 and 2,774.88 is: 4,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.18 : 5,396.37 = 2,774.88 : x
  2. Step 2: Convert to fraction form
    3,603.18/5,396.37 = 2,774.88/x
  3. Step 3: Cross multiply
    3,603.18x = 5,396.37 × 2,774.88
  4. Step 4: Simplify right side
    3,603.18x = 14,974,279.19
  5. Step 5: Solve for x
    x = 14,974,279.19/3,603.18
  6. Step 6: Final answer
    x = 4,155.85

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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.