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Finding the Fourth Proportional to 2,294.70, 3,441.83 and 907.68

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Solution

The fourth proportional to 2,294.70, 3,441.83 and 907.68 is: 1,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.70 : 3,441.83 = 907.68 : x
  2. Step 2: Convert to fraction form
    2,294.70/3,441.83 = 907.68/x
  3. Step 3: Cross multiply
    2,294.70x = 3,441.83 × 907.68
  4. Step 4: Simplify right side
    2,294.70x = 3,124,075.72
  5. Step 5: Solve for x
    x = 3,124,075.72/2,294.70
  6. Step 6: Final answer
    x = 1,361.43

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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.