Home / 2,300.12-3,450.18-839.26

Finding the Fourth Proportional to 2,300.12, 3,450.18 and 839.26

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Solution

The fourth proportional to 2,300.12, 3,450.18 and 839.26 is: 1,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.12 : 3,450.18 = 839.26 : x
  2. Step 2: Convert to fraction form
    2,300.12/3,450.18 = 839.26/x
  3. Step 3: Cross multiply
    2,300.12x = 3,450.18 × 839.26
  4. Step 4: Simplify right side
    2,300.12x = 2,895,598.07
  5. Step 5: Solve for x
    x = 2,895,598.07/2,300.12
  6. Step 6: Final answer
    x = 1,258.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.