Home / 1,704.49-2,551.46-1,455.41

Finding the Fourth Proportional to 1,704.49, 2,551.46 and 1,455.41

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Solution

The fourth proportional to 1,704.49, 2,551.46 and 1,455.41 is: 2,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.49 : 2,551.46 = 1,455.41 : x
  2. Step 2: Convert to fraction form
    1,704.49/2,551.46 = 1,455.41/x
  3. Step 3: Cross multiply
    1,704.49x = 2,551.46 × 1,455.41
  4. Step 4: Simplify right side
    1,704.49x = 3,713,430.42
  5. Step 5: Solve for x
    x = 3,713,430.42/1,704.49
  6. Step 6: Final answer
    x = 2,178.62

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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.