Home / 3,558.96-5,316.75-3,429.36

Finding the Fourth Proportional to 3,558.96, 5,316.75 and 3,429.36

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Solution

The fourth proportional to 3,558.96, 5,316.75 and 3,429.36 is: 5,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.96 : 5,316.75 = 3,429.36 : x
  2. Step 2: Convert to fraction form
    3,558.96/5,316.75 = 3,429.36/x
  3. Step 3: Cross multiply
    3,558.96x = 5,316.75 × 3,429.36
  4. Step 4: Simplify right side
    3,558.96x = 18,233,049.78
  5. Step 5: Solve for x
    x = 18,233,049.78/3,558.96
  6. Step 6: Final answer
    x = 5,123.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.