Home / 4,123.54-5,689.62-2,355.10

Finding the Fourth Proportional to 4,123.54, 5,689.62 and 2,355.10

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Solution

The fourth proportional to 4,123.54, 5,689.62 and 2,355.10 is: 3,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.54 : 5,689.62 = 2,355.10 : x
  2. Step 2: Convert to fraction form
    4,123.54/5,689.62 = 2,355.10/x
  3. Step 3: Cross multiply
    4,123.54x = 5,689.62 × 2,355.10
  4. Step 4: Simplify right side
    4,123.54x = 13,399,624.06
  5. Step 5: Solve for x
    x = 13,399,624.06/4,123.54
  6. Step 6: Final answer
    x = 3,249.54

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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.