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Finding the Fourth Proportional to 1,710.75, 2,361.02 and 1,048.05

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Solution

The fourth proportional to 1,710.75, 2,361.02 and 1,048.05 is: 1,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.75 : 2,361.02 = 1,048.05 : x
  2. Step 2: Convert to fraction form
    1,710.75/2,361.02 = 1,048.05/x
  3. Step 3: Cross multiply
    1,710.75x = 2,361.02 × 1,048.05
  4. Step 4: Simplify right side
    1,710.75x = 2,474,467.01
  5. Step 5: Solve for x
    x = 2,474,467.01/1,710.75
  6. Step 6: Final answer
    x = 1,446.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.