Home / 3,408.12-4,703.70-2,082.58

Finding the Fourth Proportional to 3,408.12, 4,703.70 and 2,082.58

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Solution

The fourth proportional to 3,408.12, 4,703.70 and 2,082.58 is: 2,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.12 : 4,703.70 = 2,082.58 : x
  2. Step 2: Convert to fraction form
    3,408.12/4,703.70 = 2,082.58/x
  3. Step 3: Cross multiply
    3,408.12x = 4,703.70 × 2,082.58
  4. Step 4: Simplify right side
    3,408.12x = 9,795,831.55
  5. Step 5: Solve for x
    x = 9,795,831.55/3,408.12
  6. Step 6: Final answer
    x = 2,874.26

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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.