Home / 3,530.99-4,858.38-3,239.39

Finding the Fourth Proportional to 3,530.99, 4,858.38 and 3,239.39

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Solution

The fourth proportional to 3,530.99, 4,858.38 and 3,239.39 is: 4,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.99 : 4,858.38 = 3,239.39 : x
  2. Step 2: Convert to fraction form
    3,530.99/4,858.38 = 3,239.39/x
  3. Step 3: Cross multiply
    3,530.99x = 4,858.38 × 3,239.39
  4. Step 4: Simplify right side
    3,530.99x = 15,738,199.73
  5. Step 5: Solve for x
    x = 15,738,199.73/3,530.99
  6. Step 6: Final answer
    x = 4,457.16

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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.