Home / 2,403.70-3,318.52-1,618.54

Finding the Fourth Proportional to 2,403.70, 3,318.52 and 1,618.54

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Solution

The fourth proportional to 2,403.70, 3,318.52 and 1,618.54 is: 2,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.70 : 3,318.52 = 1,618.54 : x
  2. Step 2: Convert to fraction form
    2,403.70/3,318.52 = 1,618.54/x
  3. Step 3: Cross multiply
    2,403.70x = 3,318.52 × 1,618.54
  4. Step 4: Simplify right side
    2,403.70x = 5,371,157.36
  5. Step 5: Solve for x
    x = 5,371,157.36/2,403.70
  6. Step 6: Final answer
    x = 2,234.54

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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.