Home / 2,285.84-3,428.33-1,114.66

Finding the Fourth Proportional to 2,285.84, 3,428.33 and 1,114.66

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Solution

The fourth proportional to 2,285.84, 3,428.33 and 1,114.66 is: 1,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.84 : 3,428.33 = 1,114.66 : x
  2. Step 2: Convert to fraction form
    2,285.84/3,428.33 = 1,114.66/x
  3. Step 3: Cross multiply
    2,285.84x = 3,428.33 × 1,114.66
  4. Step 4: Simplify right side
    2,285.84x = 3,821,421.03
  5. Step 5: Solve for x
    x = 3,821,421.03/2,285.84
  6. Step 6: Final answer
    x = 1,671.78

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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.