Home / 3,602.08-5,400.95-1,408.19

Finding the Fourth Proportional to 3,602.08, 5,400.95 and 1,408.19

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Solution

The fourth proportional to 3,602.08, 5,400.95 and 1,408.19 is: 2,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.08 : 5,400.95 = 1,408.19 : x
  2. Step 2: Convert to fraction form
    3,602.08/5,400.95 = 1,408.19/x
  3. Step 3: Cross multiply
    3,602.08x = 5,400.95 × 1,408.19
  4. Step 4: Simplify right side
    3,602.08x = 7,605,563.78
  5. Step 5: Solve for x
    x = 7,605,563.78/3,602.08
  6. Step 6: Final answer
    x = 2,111.44

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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.