Home / 3,605.36-5,408.20-1,140.24

Finding the Fourth Proportional to 3,605.36, 5,408.20 and 1,140.24

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Solution

The fourth proportional to 3,605.36, 5,408.20 and 1,140.24 is: 1,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.36 : 5,408.20 = 1,140.24 : x
  2. Step 2: Convert to fraction form
    3,605.36/5,408.20 = 1,140.24/x
  3. Step 3: Cross multiply
    3,605.36x = 5,408.20 × 1,140.24
  4. Step 4: Simplify right side
    3,605.36x = 6,166,645.97
  5. Step 5: Solve for x
    x = 6,166,645.97/3,605.36
  6. Step 6: Final answer
    x = 1,710.41

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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.