Home / 2,403.18-3,313.39-2,005.42

Finding the Fourth Proportional to 2,403.18, 3,313.39 and 2,005.42

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Solution

The fourth proportional to 2,403.18, 3,313.39 and 2,005.42 is: 2,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.18 : 3,313.39 = 2,005.42 : x
  2. Step 2: Convert to fraction form
    2,403.18/3,313.39 = 2,005.42/x
  3. Step 3: Cross multiply
    2,403.18x = 3,313.39 × 2,005.42
  4. Step 4: Simplify right side
    2,403.18x = 6,644,738.57
  5. Step 5: Solve for x
    x = 6,644,738.57/2,403.18
  6. Step 6: Final answer
    x = 2,764.98

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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.