Home / 3,603.38-5,400.46-2,779.94

Finding the Fourth Proportional to 3,603.38, 5,400.46 and 2,779.94

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Solution

The fourth proportional to 3,603.38, 5,400.46 and 2,779.94 is: 4,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.38 : 5,400.46 = 2,779.94 : x
  2. Step 2: Convert to fraction form
    3,603.38/5,400.46 = 2,779.94/x
  3. Step 3: Cross multiply
    3,603.38x = 5,400.46 × 2,779.94
  4. Step 4: Simplify right side
    3,603.38x = 15,012,954.77
  5. Step 5: Solve for x
    x = 15,012,954.77/3,603.38
  6. Step 6: Final answer
    x = 4,166.35

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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.