Home / 3,557.98-5,342.73-3,408.22

Finding the Fourth Proportional to 3,557.98, 5,342.73 and 3,408.22

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Solution

The fourth proportional to 3,557.98, 5,342.73 and 3,408.22 is: 5,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.98 : 5,342.73 = 3,408.22 : x
  2. Step 2: Convert to fraction form
    3,557.98/5,342.73 = 3,408.22/x
  3. Step 3: Cross multiply
    3,557.98x = 5,342.73 × 3,408.22
  4. Step 4: Simplify right side
    3,557.98x = 18,209,199.24
  5. Step 5: Solve for x
    x = 18,209,199.24/3,557.98
  6. Step 6: Final answer
    x = 5,117.85

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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.