Home / 2,299.84-3,451.13-839.09

Finding the Fourth Proportional to 2,299.84, 3,451.13 and 839.09

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Solution

The fourth proportional to 2,299.84, 3,451.13 and 839.09 is: 1,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.84 : 3,451.13 = 839.09 : x
  2. Step 2: Convert to fraction form
    2,299.84/3,451.13 = 839.09/x
  3. Step 3: Cross multiply
    2,299.84x = 3,451.13 × 839.09
  4. Step 4: Simplify right side
    2,299.84x = 2,895,808.67
  5. Step 5: Solve for x
    x = 2,895,808.67/2,299.84
  6. Step 6: Final answer
    x = 1,259.13

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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.