Home / 3,682.08-5,078.35-2,603.44

Finding the Fourth Proportional to 3,682.08, 5,078.35 and 2,603.44

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Solution

The fourth proportional to 3,682.08, 5,078.35 and 2,603.44 is: 3,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.08 : 5,078.35 = 2,603.44 : x
  2. Step 2: Convert to fraction form
    3,682.08/5,078.35 = 2,603.44/x
  3. Step 3: Cross multiply
    3,682.08x = 5,078.35 × 2,603.44
  4. Step 4: Simplify right side
    3,682.08x = 13,221,166.51
  5. Step 5: Solve for x
    x = 13,221,166.51/3,682.08
  6. Step 6: Final answer
    x = 3,590.68

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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.