Home / 3,409.12-4,703.72-2,082.34

Finding the Fourth Proportional to 3,409.12, 4,703.72 and 2,082.34

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Solution

The fourth proportional to 3,409.12, 4,703.72 and 2,082.34 is: 2,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.12 : 4,703.72 = 2,082.34 : x
  2. Step 2: Convert to fraction form
    3,409.12/4,703.72 = 2,082.34/x
  3. Step 3: Cross multiply
    3,409.12x = 4,703.72 × 2,082.34
  4. Step 4: Simplify right side
    3,409.12x = 9,794,744.30
  5. Step 5: Solve for x
    x = 9,794,744.30/3,409.12
  6. Step 6: Final answer
    x = 2,873.10

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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.