Home / 1,738.62-2,607.32-505.70

Finding the Fourth Proportional to 1,738.62, 2,607.32 and 505.70

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Solution

The fourth proportional to 1,738.62, 2,607.32 and 505.70 is: 758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.62 : 2,607.32 = 505.70 : x
  2. Step 2: Convert to fraction form
    1,738.62/2,607.32 = 505.70/x
  3. Step 3: Cross multiply
    1,738.62x = 2,607.32 × 505.70
  4. Step 4: Simplify right side
    1,738.62x = 1,318,506.16
  5. Step 5: Solve for x
    x = 1,318,506.16/1,738.62
  6. Step 6: Final answer
    x = 758.36

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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.